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Unified Diff: sdk/lib/typed_data/dart2js/typed_data_dart2js.dart

Issue 140543002: Revert "Redo "Make dart2js typed_data implementation classes private"" (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 6 years, 11 months ago
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Index: sdk/lib/typed_data/dart2js/typed_data_dart2js.dart
diff --git a/sdk/lib/typed_data/dart2js/typed_data_dart2js.dart b/sdk/lib/typed_data/dart2js/typed_data_dart2js.dart
index 6700b46dc45dec2df864d0eb415bdf05b377191a..c237962a66abed340cea09ac9cbf129331836c34 100644
--- a/sdk/lib/typed_data/dart2js/typed_data_dart2js.dart
+++ b/sdk/lib/typed_data/dart2js/typed_data_dart2js.dart
@@ -8,24 +8,2608 @@
*/
library dart.typed_data;
-export 'dart:_native_typed_data' show
- Endianness,
- ByteBuffer,
- TypedData,
- ByteData,
- Float32List,
- Float64List,
- Int8List,
- Int16List,
- Int32List,
- Int64List,
- Uint8ClampedList,
- Uint8List,
- Uint16List,
- Uint32List,
- Uint64List,
-
- Float32x4,
- Float32x4List,
- Int32x4,
- Int32x4List;
+import 'dart:collection';
+import 'dart:_collection-dev';
+import 'dart:_interceptors' show JSIndexable, JSUInt32, JSUInt31;
+import 'dart:_js_helper'
+ show Creates, JavaScriptIndexingBehavior, JSName, Null, Returns;
+import 'dart:_foreign_helper' show JS, JS_CONST;
+import 'dart:math' as Math;
+
+/**
+ * Describes endianness to be used when accessing a sequence of bytes.
+ */
+class Endianness {
+ const Endianness(this._littleEndian);
+
+ static const Endianness BIG_ENDIAN = const Endianness(false);
+ static const Endianness LITTLE_ENDIAN = const Endianness(true);
+ static final Endianness HOST_ENDIAN =
+ (new ByteData.view(new Int16List.fromList([1]).buffer)).getInt8(0) == 1 ?
+ LITTLE_ENDIAN : BIG_ENDIAN;
+
+ final bool _littleEndian;
+}
+
+
+/**
+ * A sequence of bytes underlying a typed data object.
+ * Used to process large quantities of binary or numerical data
+ * more efficiently using a typed view.
+ */
+class ByteBuffer native "ArrayBuffer" {
+ @JSName('byteLength')
+ final int lengthInBytes;
+}
+
+/**
+ * A typed view of a sequence of bytes.
+ */
+class TypedData native "ArrayBufferView" {
+ /**
+ * Returns the byte buffer associated with this object.
+ */
+ @Creates('ByteBuffer')
+ @Returns('ByteBuffer|Null')
+ final ByteBuffer buffer;
+
+ /**
+ * Returns the length of this view, in bytes.
+ */
+ @JSName('byteLength')
+ final int lengthInBytes;
+
+ /**
+ * Returns the offset in bytes into the underlying byte buffer of this view.
+ */
+ @JSName('byteOffset')
+ final int offsetInBytes;
+
+ /**
+ * Returns the number of bytes in the representation of each element in this
+ * list.
+ */
+ @JSName('BYTES_PER_ELEMENT')
+ final int elementSizeInBytes;
+
+ void _invalidIndex(int index, int length) {
+ if (index < 0 || index >= length) {
+ throw new RangeError.range(index, 0, length);
+ } else {
+ throw new ArgumentError('Invalid list index $index');
+ }
+ }
+
+ void _checkIndex(int index, int length) {
+ if (JS('bool', '(# >>> 0 != #)', index, index) || index >= length) {
+ _invalidIndex(index, length);
+ }
+ }
+
+ int _checkSublistArguments(int start, int end, int length) {
+ // For `sublist` the [start] and [end] indices are allowed to be equal to
+ // [length]. However, [_checkIndex] only allows indices in the range
+ // 0 .. length - 1. We therefore increment the [length] argument by one
+ // for the [_checkIndex] checks.
+ _checkIndex(start, length + 1);
+ if (end == null) return length;
+ _checkIndex(end, length + 1);
+ if (start > end) throw new RangeError.range(start, 0, end);
+ return end;
+ }
+}
+
+
+// Validates the unnamed constructor length argument. Checking is necessary
+// because passing unvalidated values to the native constructors can cause
+// conversions or create views.
+int _checkLength(length) {
+ if (length is! int) throw new ArgumentError('Invalid length $length');
+ return length;
+}
+
+// Validates `.view` constructor arguments. Checking is necessary because
+// passing unvalidated values to the native constructors can cause conversions
+// (e.g. String arguments) or create typed data objects that are not actually
+// views of the input.
+void _checkViewArguments(buffer, offsetInBytes, length) {
+ if (buffer is! ByteBuffer) {
+ throw new ArgumentError('Invalid view buffer');
+ }
+ if (offsetInBytes is! int) {
+ throw new ArgumentError('Invalid view offsetInBytes $offsetInBytes');
+ }
+ if (length != null && length is! int) {
+ throw new ArgumentError('Invalid view length $length');
+ }
+}
+
+// Ensures that [list] is a JavaScript Array or a typed array. If necessary,
+// returns a copy of the list.
+List _ensureNativeList(List list) {
+ if (list is JSIndexable) return list;
+ List result = new List(list.length);
+ for (int i = 0; i < list.length; i++) {
+ result[i] = list[i];
+ }
+ return result;
+}
+
+
+/**
+ * A fixed-length, random-access sequence of bytes that also provides random
+ * and unaligned access to the fixed-width integers and floating point
+ * numbers represented by those bytes.
+ * ByteData may be used to pack and unpack data from external sources
+ * (such as networks or files systems), and to process large quantities
+ * of numerical data more efficiently than would be possible
+ * with ordinary [List] implementations. ByteData can save space, by
+ * eliminating the need for object headers, and time, by eliminating the
+ * need for data copies. Finally, ByteData may be used to intentionally
+ * reinterpret the bytes representing one arithmetic type as another.
+ * For example this code fragment determine what 32-bit signed integer
+ * is represented by the bytes of a 32-bit floating point number:
+ *
+ * var buffer = new Uint8List(8).buffer;
+ * var bdata = new ByteData.view(buffer);
+ * bdata.setFloat32(0, 3.04);
+ * int huh = bdata.getInt32(0);
+ */
+class ByteData extends TypedData native "DataView" {
+ /**
+ * Creates a [ByteData] of the specified length (in elements), all of
+ * whose elements are initially zero.
+ */
+ factory ByteData(int length) => _create1(_checkLength(length));
+
+ /**
+ * Creates an [ByteData] _view_ of the specified region in the specified
+ * byte buffer. Changes in the [ByteData] will be visible in the byte
+ * buffer and vice versa. If the [offsetInBytes] index of the region is not
+ * specified, it defaults to zero (the first byte in the byte buffer).
+ * If the length is not specified, it defaults to null, which indicates
+ * that the view extends to the end of the byte buffer.
+ *
+ * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
+ * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
+ * the length of [buffer].
+ */
+ factory ByteData.view(ByteBuffer buffer,
+ [int offsetInBytes = 0, int length]) {
+ _checkViewArguments(buffer, offsetInBytes, length);
+ return length == null
+ ? _create2(buffer, offsetInBytes)
+ : _create3(buffer, offsetInBytes, length);
+ }
+
+ /**
+ * Returns the floating point number represented by the four bytes at
+ * the specified [byteOffset] in this object, in IEEE 754
+ * single-precision binary floating-point format (binary32).
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * `byteOffset + 4` is greater than the length of this object.
+ */
+ num getFloat32(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) =>
+ _getFloat32(byteOffset, endian._littleEndian);
+
+ int get elementSizeInBytes => 1;
+
+ @JSName('getFloat32')
+ @Returns('num')
+ num _getFloat32(int byteOffset, [bool littleEndian]) native;
+
+ /**
+ * Returns the floating point number represented by the eight bytes at
+ * the specified [byteOffset] in this object, in IEEE 754
+ * double-precision binary floating-point format (binary64).
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * `byteOffset + 8` is greater than the length of this object.
+ */
+ num getFloat64(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) =>
+ _getFloat64(byteOffset, endian._littleEndian);
+
+ @JSName('getFloat64')
+ @Returns('num')
+ num _getFloat64(int byteOffset, [bool littleEndian]) native;
+
+ /**
+ * Returns the (possibly negative) integer represented by the two bytes at
+ * the specified [byteOffset] in this object, in two's complement binary
+ * form.
+ * The return value will be between 2<sup>15</sup> and 2<sup>15</sup> - 1,
+ * inclusive.
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * `byteOffset + 2` is greater than the length of this object.
+ */
+ int getInt16(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) =>
+ _getInt16(byteOffset, endian._littleEndian);
+
+ @JSName('getInt16')
+ @Returns('int')
+ int _getInt16(int byteOffset, [bool littleEndian]) native;
+
+ /**
+ * Returns the (possibly negative) integer represented by the four bytes at
+ * the specified [byteOffset] in this object, in two's complement binary
+ * form.
+ * The return value will be between 2<sup>31</sup> and 2<sup>31</sup> - 1,
+ * inclusive.
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * `byteOffset + 4` is greater than the length of this object.
+ */
+ int getInt32(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) =>
+ _getInt32(byteOffset, endian._littleEndian);
+
+ @JSName('getInt32')
+ @Returns('int')
+ int _getInt32(int byteOffset, [bool littleEndian]) native;
+
+ /**
+ * Returns the (possibly negative) integer represented by the eight bytes at
+ * the specified [byteOffset] in this object, in two's complement binary
+ * form.
+ * The return value will be between 2<sup>63</sup> and 2<sup>63</sup> - 1,
+ * inclusive.
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * `byteOffset + 8` is greater than the length of this object.
+ */
+ int getInt64(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) {
+ throw new UnsupportedError("Int64 accessor not supported by dart2js.");
+ }
+
+ /**
+ * Returns the (possibly negative) integer represented by the byte at the
+ * specified [byteOffset] in this object, in two's complement binary
+ * representation. The return value will be between -128 and 127, inclusive.
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * greater than or equal to the length of this object.
+ */
+ int getInt8(int byteOffset) native;
+
+ /**
+ * Returns the positive integer represented by the two bytes starting
+ * at the specified [byteOffset] in this object, in unsigned binary
+ * form.
+ * The return value will be between 0 and 2<sup>16</sup> - 1, inclusive.
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * `byteOffset + 2` is greater than the length of this object.
+ */
+ int getUint16(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) =>
+ _getUint16(byteOffset, endian._littleEndian);
+
+ @JSName('getUint16')
+ @Returns('JSUInt31')
+ int _getUint16(int byteOffset, [bool littleEndian]) native;
+
+ /**
+ * Returns the positive integer represented by the four bytes starting
+ * at the specified [byteOffset] in this object, in unsigned binary
+ * form.
+ * The return value will be between 0 and 2<sup>32</sup> - 1, inclusive.
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * `byteOffset + 4` is greater than the length of this object.
+ */
+ int getUint32(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) =>
+ _getUint32(byteOffset, endian._littleEndian);
+
+ @JSName('getUint32')
+ @Returns('JSUInt32')
+ int _getUint32(int byteOffset, [bool littleEndian]) native;
+
+ /**
+ * Returns the positive integer represented by the eight bytes starting
+ * at the specified [byteOffset] in this object, in unsigned binary
+ * form.
+ * The return value will be between 0 and 2<sup>64</sup> - 1, inclusive.
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * `byteOffset + 8` is greater than the length of this object.
+ */
+ int getUint64(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) {
+ throw new UnsupportedError("Uint64 accessor not supported by dart2js.");
+ }
+
+ /**
+ * Returns the positive integer represented by the byte at the specified
+ * [byteOffset] in this object, in unsigned binary form. The
+ * return value will be between 0 and 255, inclusive.
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * greater than or equal to the length of this object.
+ */
+ int getUint8(int byteOffset) native;
+
+ /**
+ * Sets the four bytes starting at the specified [byteOffset] in this
+ * object to the IEEE 754 single-precision binary floating-point
+ * (binary32) representation of the specified [value].
+ *
+ * **Note that this method can lose precision.** The input [value] is
+ * a 64-bit floating point value, which will be converted to 32-bit
+ * floating point value by IEEE 754 rounding rules before it is stored.
+ * If [value] cannot be represented exactly as a binary32, it will be
+ * converted to the nearest binary32 value. If two binary32 values are
+ * equally close, the one whose least significant bit is zero will be used.
+ * Note that finite (but large) values can be converted to infinity, and
+ * small non-zero values can be converted to zero.
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * `byteOffset + 4` is greater than the length of this object.
+ */
+ void setFloat32(int byteOffset, num value, [Endianness endian=Endianness.BIG_ENDIAN]) =>
+ _setFloat32(byteOffset, value, endian._littleEndian);
+
+ @JSName('setFloat32')
+ void _setFloat32(int byteOffset, num value, [bool littleEndian]) native;
+
+ /**
+ * Sets the eight bytes starting at the specified [byteOffset] in this
+ * object to the IEEE 754 double-precision binary floating-point
+ * (binary64) representation of the specified [value].
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * `byteOffset + 8` is greater than the length of this object.
+ */
+ void setFloat64(int byteOffset, num value, [Endianness endian=Endianness.BIG_ENDIAN]) =>
+ _setFloat64(byteOffset, value, endian._littleEndian);
+
+ @JSName('setFloat64')
+ void _setFloat64(int byteOffset, num value, [bool littleEndian]) native;
+
+ /**
+ * Sets the two bytes starting at the specified [byteOffset] in this
+ * object to the two's complement binary representation of the specified
+ * [value], which must fit in two bytes. In other words, [value] must lie
+ * between 2<sup>15</sup> and 2<sup>15</sup> - 1, inclusive.
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * `byteOffset + 2` is greater than the length of this object.
+ */
+ void setInt16(int byteOffset, int value, [Endianness endian=Endianness.BIG_ENDIAN]) =>
+ _setInt16(byteOffset, value, endian._littleEndian);
+
+ @JSName('setInt16')
+ void _setInt16(int byteOffset, int value, [bool littleEndian]) native;
+
+ /**
+ * Sets the four bytes starting at the specified [byteOffset] in this
+ * object to the two's complement binary representation of the specified
+ * [value], which must fit in four bytes. In other words, [value] must lie
+ * between 2<sup>31</sup> and 2<sup>31</sup> - 1, inclusive.
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * `byteOffset + 4` is greater than the length of this object.
+ */
+ void setInt32(int byteOffset, int value, [Endianness endian=Endianness.BIG_ENDIAN]) =>
+ _setInt32(byteOffset, value, endian._littleEndian);
+
+ @JSName('setInt32')
+ void _setInt32(int byteOffset, int value, [bool littleEndian]) native;
+
+ /**
+ * Sets the eight bytes starting at the specified [byteOffset] in this
+ * object to the two's complement binary representation of the specified
+ * [value], which must fit in eight bytes. In other words, [value] must lie
+ * between 2<sup>63</sup> and 2<sup>63</sup> - 1, inclusive.
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * `byteOffset + 8` is greater than the length of this object.
+ */
+ void setInt64(int byteOffset, int value, [Endianness endian=Endianness.BIG_ENDIAN]) {
+ throw new UnsupportedError("Int64 accessor not supported by dart2js.");
+ }
+
+ /**
+ * Sets the byte at the specified [byteOffset] in this object to the
+ * two's complement binary representation of the specified [value], which
+ * must fit in a single byte. In other words, [value] must be between
+ * -128 and 127, inclusive.
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * greater than or equal to the length of this object.
+ */
+ void setInt8(int byteOffset, int value) native;
+
+ /**
+ * Sets the two bytes starting at the specified [byteOffset] in this object
+ * to the unsigned binary representation of the specified [value],
+ * which must fit in two bytes. in other words, [value] must be between
+ * 0 and 2<sup>16</sup> - 1, inclusive.
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * `byteOffset + 2` is greater than the length of this object.
+ */
+ void setUint16(int byteOffset, int value, [Endianness endian=Endianness.BIG_ENDIAN]) =>
+ _setUint16(byteOffset, value, endian._littleEndian);
+
+ @JSName('setUint16')
+ void _setUint16(int byteOffset, int value, [bool littleEndian]) native;
+
+ /**
+ * Sets the four bytes starting at the specified [byteOffset] in this object
+ * to the unsigned binary representation of the specified [value],
+ * which must fit in four bytes. in other words, [value] must be between
+ * 0 and 2<sup>32</sup> - 1, inclusive.
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * `byteOffset + 4` is greater than the length of this object.
+ */
+ void setUint32(int byteOffset, int value, [Endianness endian=Endianness.BIG_ENDIAN]) =>
+ _setUint32(byteOffset, value, endian._littleEndian);
+
+ @JSName('setUint32')
+ void _setUint32(int byteOffset, int value, [bool littleEndian]) native;
+
+ /**
+ * Sets the eight bytes starting at the specified [byteOffset] in this object
+ * to the unsigned binary representation of the specified [value],
+ * which must fit in eight bytes. in other words, [value] must be between
+ * 0 and 2<sup>64</sup> - 1, inclusive.
+ *
+ * Throws [RangeError] if [byteOffset] is negative, or
+ * `byteOffset + 8` is greater than the length of this object.
+ */
+ void setUint64(int byteOffset, int value, [Endianness endian=Endianness.BIG_ENDIAN]) {
+ throw new UnsupportedError("Uint64 accessor not supported by dart2js.");
+ }
+
+ /**
+ * Sets the byte at the specified [byteOffset] in this object to the
+ * unsigned binary representation of the specified [value], which must fit
+ * in a single byte. in other words, [value] must be between 0 and 255,
+ * inclusive.
+ *
+ * Throws [RangeError] if [byteOffset] is negative,
+ * or greater than or equal to the length of this object.
+ */
+ void setUint8(int byteOffset, int value) native;
+
+ static ByteData _create1(arg) =>
+ JS('ByteData', 'new DataView(new ArrayBuffer(#))', arg);
+
+ static ByteData _create2(arg1, arg2) =>
+ JS('ByteData', 'new DataView(#, #)', arg1, arg2);
+
+ static ByteData _create3(arg1, arg2, arg3) =>
+ JS('ByteData', 'new DataView(#, #, #)', arg1, arg2, arg3);
+}
+
+
+// TODO(sra): Move this type to a public name in a private library so that other
+// platform libraries like dart:html and dart:webaudio can tell a native array
+// from a list that implements the implicit interface.
+abstract class _NativeTypedArray extends TypedData
+ implements JavaScriptIndexingBehavior {
+ int get length => JS("JSUInt32", '#.length', this);
+
+ bool _setRangeFast(int start, int end,
+ _NativeTypedArray source, int skipCount) {
+ int targetLength = this.length;
+ _checkIndex(start, targetLength + 1);
+ _checkIndex(end, targetLength + 1);
+ if (start > end) throw new RangeError.range(start, 0, end);
+ int count = end - start;
+
+ if (skipCount < 0) throw new ArgumentError(skipCount);
+
+ int sourceLength = source.length;
+ if (sourceLength - skipCount < count) {
+ throw new StateError("Not enough elements");
+ }
+
+ if (skipCount != 0 || sourceLength != count) {
+ // Create a view of the exact subrange that is copied from the source.
+ source = JS('', '#.subarray(#, #)',
+ source, skipCount, skipCount + count);
+ }
+ JS('void', '#.set(#, #)', this, source, start);
+ }
+}
+
+// TODO(sra): Move to private library, like [_NativeTypedArray].
+abstract class _NativeTypedArrayOfDouble
+ extends _NativeTypedArray
+ with ListMixin<double>, FixedLengthListMixin<double>
+ implements List<double> {
+
+ void setRange(int start, int end, Iterable<double> iterable,
+ [int skipCount = 0]) {
+ if (iterable is _NativeTypedArrayOfDouble) {
+ _setRangeFast(start, end, iterable, skipCount);
+ return;
+ }
+ super.setRange(start, end, iterable, skipCount);
+ }
+}
+
+// TODO(sra): Move to private library, like [_NativeTypedArray].
+abstract class _NativeTypedArrayOfInt
+ extends _NativeTypedArray
+ with ListMixin<int>, FixedLengthListMixin<int>
+ implements List<int> {
+
+ void setRange(int start, int end, Iterable<int> iterable,
+ [int skipCount = 0]) {
+ if (iterable is _NativeTypedArrayOfInt) {
+ _setRangeFast(start, end, iterable, skipCount);
+ return;
+ }
+ super.setRange(start, end, iterable, skipCount);
+ }
+}
+
+
+/**
+ * A fixed-length list of IEEE 754 single-precision binary floating-point
+ * numbers that is viewable as a [TypedData]. For long lists, this
+ * implementation can be considerably more space- and time-efficient than
+ * the default [List] implementation.
+ */
+class Float32List extends _NativeTypedArrayOfDouble native "Float32Array" {
+ /**
+ * Creates a [Float32List] of the specified length (in elements), all of
+ * whose elements are initially zero.
+ */
+ factory Float32List(int length) => _create1(_checkLength(length));
+
+ /**
+ * Creates a [Float32List] with the same size as the [elements] list
+ * and copies over the elements.
+ */
+ factory Float32List.fromList(List<double> list) =>
+ _create1(_ensureNativeList(list));
+
+ /**
+ * Creates a [Float32List] _view_ of the specified region in the specified
+ * byte buffer. Changes in the [Float32List] will be visible in the byte
+ * buffer and vice versa. If the [offsetInBytes] index of the region is not
+ * specified, it defaults to zero (the first byte in the byte buffer).
+ * If the length is not specified, it defaults to null, which indicates
+ * that the view extends to the end of the byte buffer.
+ *
+ * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
+ * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
+ * the length of [buffer].
+ *
+ * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
+ * BYTES_PER_ELEMENT.
+ */
+ factory Float32List.view(ByteBuffer buffer,
+ [int offsetInBytes = 0, int length]) {
+ _checkViewArguments(buffer, offsetInBytes, length);
+ return length == null
+ ? _create2(buffer, offsetInBytes)
+ : _create3(buffer, offsetInBytes, length);
+ }
+
+ static const int BYTES_PER_ELEMENT = 4;
+
+ num operator[](int index) {
+ _checkIndex(index, length);
+ return JS("num", "#[#]", this, index);
+ }
+
+ void operator[]=(int index, num value) {
+ _checkIndex(index, length);
+ JS("void", "#[#] = #", this, index, value);
+ }
+
+ List<double> sublist(int start, [int end]) {
+ end = _checkSublistArguments(start, end, length);
+ var source = JS('Float32List', '#.subarray(#, #)', this, start, end);
+ return _create1(source);
+ }
+
+ static Float32List _create1(arg) =>
+ JS('Float32List', 'new Float32Array(#)', arg);
+
+ static Float32List _create2(arg1, arg2) =>
+ JS('Float32List', 'new Float32Array(#, #)', arg1, arg2);
+
+ static Float32List _create3(arg1, arg2, arg3) =>
+ JS('Float32List', 'new Float32Array(#, #, #)', arg1, arg2, arg3);
+}
+
+
+/**
+ * A fixed-length list of IEEE 754 double-precision binary floating-point
+ * numbers that is viewable as a [TypedData]. For long lists, this
+ * implementation can be considerably more space- and time-efficient than
+ * the default [List] implementation.
+ */
+class Float64List extends _NativeTypedArrayOfDouble native "Float64Array" {
+ /**
+ * Creates a [Float64List] of the specified length (in elements), all of
+ * whose elements are initially zero.
+ */
+ factory Float64List(int length) => _create1(_checkLength(length));
+
+ /**
+ * Creates a [Float64List] with the same size as the [elements] list
+ * and copies over the elements.
+ */
+ factory Float64List.fromList(List<double> list) =>
+ _create1(_ensureNativeList(list));
+
+ /**
+ * Creates a [Float64List] _view_ of the specified region in the specified
+ * byte buffer. Changes in the [Float64List] will be visible in the byte
+ * buffer and vice versa. If the [offsetInBytes] index of the region is not
+ * specified, it defaults to zero (the first byte in the byte buffer).
+ * If the length is not specified, it defaults to null, which indicates
+ * that the view extends to the end of the byte buffer.
+ *
+ * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
+ * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
+ * the length of [buffer].
+ *
+ * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
+ * BYTES_PER_ELEMENT.
+ */
+ factory Float64List.view(ByteBuffer buffer,
+ [int offsetInBytes = 0, int length]) {
+ _checkViewArguments(buffer, offsetInBytes, length);
+ return length == null
+ ? _create2(buffer, offsetInBytes)
+ : _create3(buffer, offsetInBytes, length);
+ }
+
+ static const int BYTES_PER_ELEMENT = 8;
+
+ num operator[](int index) {
+ _checkIndex(index, length);
+ return JS("num", "#[#]", this, index);
+ }
+
+ void operator[]=(int index, num value) {
+ _checkIndex(index, length);
+ JS("void", "#[#] = #", this, index, value);
+ }
+
+ List<double> sublist(int start, [int end]) {
+ end = _checkSublistArguments(start, end, length);
+ var source = JS('Float64List', '#.subarray(#, #)', this, start, end);
+ return _create1(source);
+ }
+
+ static Float64List _create1(arg) {
+ return JS('Float64List', 'new Float64Array(#)', arg);
+ }
+
+ static Float64List _create2(arg1, arg2) {
+ return JS('Float64List', 'new Float64Array(#, #)', arg1, arg2);
+ }
+
+ static Float64List _create3(arg1, arg2, arg3) {
+ return JS('Float64List', 'new Float64Array(#, #, #)', arg1, arg2, arg3);
+ }
+}
+
+
+/**
+ * A fixed-length list of 16-bit signed integers that is viewable as a
+ * [TypedData]. For long lists, this implementation can be considerably
+ * more space- and time-efficient than the default [List] implementation.
+ */
+class Int16List extends _NativeTypedArrayOfInt native "Int16Array" {
+ /**
+ * Creates an [Int16List] of the specified length (in elements), all of
+ * whose elements are initially zero.
+ */
+ factory Int16List(int length) => _create1(_checkLength(length));
+
+ /**
+ * Creates a [Int16List] with the same size as the [elements] list
+ * and copies over the elements.
+ */
+ factory Int16List.fromList(List<int> list) =>
+ _create1(_ensureNativeList(list));
+
+ /**
+ * Creates an [Int16List] _view_ of the specified region in the specified
+ * byte buffer. Changes in the [Int16List] will be visible in the byte
+ * buffer and vice versa. If the [offsetInBytes] index of the region is not
+ * specified, it defaults to zero (the first byte in the byte buffer).
+ * If the length is not specified, it defaults to null, which indicates
+ * that the view extends to the end of the byte buffer.
+ *
+ * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
+ * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
+ * the length of [buffer].
+ *
+ * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
+ * BYTES_PER_ELEMENT.
+ */
+ factory Int16List.view(ByteBuffer buffer,
+ [int offsetInBytes = 0, int length]) {
+ _checkViewArguments(buffer, offsetInBytes, length);
+ return length == null
+ ? _create2(buffer, offsetInBytes)
+ : _create3(buffer, offsetInBytes, length);
+ }
+
+ static const int BYTES_PER_ELEMENT = 2;
+
+ int operator[](int index) {
+ _checkIndex(index, length);
+ return JS("int", "#[#]", this, index);
+ }
+
+ void operator[]=(int index, int value) {
+ _checkIndex(index, length);
+ JS("void", "#[#] = #", this, index, value);
+ }
+
+ List<int> sublist(int start, [int end]) {
+ end = _checkSublistArguments(start, end, length);
+ var source = JS('Int16List', '#.subarray(#, #)', this, start, end);
+ return _create1(source);
+ }
+
+ static Int16List _create1(arg) =>
+ JS('Int16List', 'new Int16Array(#)', arg);
+
+ static Int16List _create2(arg1, arg2) =>
+ JS('Int16List', 'new Int16Array(#, #)', arg1, arg2);
+
+ static Int16List _create3(arg1, arg2, arg3) =>
+ JS('Int16List', 'new Int16Array(#, #, #)', arg1, arg2, arg3);
+}
+
+
+/**
+ * A fixed-length list of 32-bit signed integers that is viewable as a
+ * [TypedData]. For long lists, this implementation can be considerably
+ * more space- and time-efficient than the default [List] implementation.
+ */
+class Int32List extends _NativeTypedArrayOfInt native "Int32Array" {
+ /**
+ * Creates an [Int32List] of the specified length (in elements), all of
+ * whose elements are initially zero.
+ */
+ factory Int32List(int length) => _create1(_checkLength(length));
+
+ /**
+ * Creates a [Int32List] with the same size as the [elements] list
+ * and copies over the elements.
+ */
+ factory Int32List.fromList(List<int> list) =>
+ _create1(_ensureNativeList(list));
+
+ /**
+ * Creates an [Int32List] _view_ of the specified region in the specified
+ * byte buffer. Changes in the [Int32List] will be visible in the byte
+ * buffer and vice versa. If the [offsetInBytes] index of the region is not
+ * specified, it defaults to zero (the first byte in the byte buffer).
+ * If the length is not specified, it defaults to null, which indicates
+ * that the view extends to the end of the byte buffer.
+ *
+ * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
+ * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
+ * the length of [buffer].
+ *
+ * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
+ * BYTES_PER_ELEMENT.
+ */
+ factory Int32List.view(ByteBuffer buffer,
+ [int offsetInBytes = 0, int length]) {
+ _checkViewArguments(buffer, offsetInBytes, length);
+ return length == null
+ ? _create2(buffer, offsetInBytes)
+ : _create3(buffer, offsetInBytes, length);
+ }
+
+ static const int BYTES_PER_ELEMENT = 4;
+
+ int operator[](int index) {
+ _checkIndex(index, length);
+ return JS("int", "#[#]", this, index);
+ }
+
+ void operator[]=(int index, int value) {
+ _checkIndex(index, length);
+ JS("void", "#[#] = #", this, index, value);
+ }
+
+ List<int> sublist(int start, [int end]) {
+ end = _checkSublistArguments(start, end, length);
+ var source = JS('Int32List', '#.subarray(#, #)', this, start, end);
+ return _create1(source);
+ }
+
+ static Int32List _create1(arg) =>
+ JS('Int32List', 'new Int32Array(#)', arg);
+
+ static Int32List _create2(arg1, arg2) =>
+ JS('Int32List', 'new Int32Array(#, #)', arg1, arg2);
+
+ static Int32List _create3(arg1, arg2, arg3) =>
+ JS('Int32List', 'new Int32Array(#, #, #)', arg1, arg2, arg3);
+}
+
+
+/**
+ * A fixed-length list of 8-bit signed integers.
+ * For long lists, this implementation can be considerably
+ * more space- and time-efficient than the default [List] implementation.
+ */
+class Int8List extends _NativeTypedArrayOfInt native "Int8Array" {
+ /**
+ * Creates an [Int8List] of the specified length (in elements), all of
+ * whose elements are initially zero.
+ */
+ factory Int8List(int length) => _create1(_checkLength(length));
+
+ /**
+ * Creates a [Int8List] with the same size as the [elements] list
+ * and copies over the elements.
+ */
+ factory Int8List.fromList(List<int> list) =>
+ _create1(_ensureNativeList(list));
+
+ /**
+ * Creates an [Int8List] _view_ of the specified region in the specified
+ * byte buffer. Changes in the [Int8List] will be visible in the byte
+ * buffer and vice versa. If the [offsetInBytes] index of the region is not
+ * specified, it defaults to zero (the first byte in the byte buffer).
+ * If the length is not specified, it defaults to null, which indicates
+ * that the view extends to the end of the byte buffer.
+ *
+ * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
+ * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
+ * the length of [buffer].
+ */
+ factory Int8List.view(ByteBuffer buffer,
+ [int offsetInBytes = 0, int length]) {
+ _checkViewArguments(buffer, offsetInBytes, length);
+ return length == null
+ ? _create2(buffer, offsetInBytes)
+ : _create3(buffer, offsetInBytes, length);
+ }
+
+ static const int BYTES_PER_ELEMENT = 1;
+
+ int operator[](int index) {
+ _checkIndex(index, length);
+ return JS("int", "#[#]", this, index);
+ }
+
+ void operator[]=(int index, int value) {
+ _checkIndex(index, length);
+ JS("void", "#[#] = #", this, index, value);
+ }
+
+ List<int> sublist(int start, [int end]) {
+ end = _checkSublistArguments(start, end, length);
+ var source = JS('Int8List', '#.subarray(#, #)', this, start, end);
+ return _create1(source);
+ }
+
+ static Int8List _create1(arg) =>
+ JS('Int8List', 'new Int8Array(#)', arg);
+
+ static Int8List _create2(arg1, arg2) =>
+ JS('Int8List', 'new Int8Array(#, #)', arg1, arg2);
+
+ static Int8List _create3(arg1, arg2, arg3) =>
+ JS('Int8List', 'new Int8Array(#, #, #)', arg1, arg2, arg3);
+}
+
+
+/**
+ * A fixed-length list of 16-bit unsigned integers that is viewable as a
+ * [TypedData]. For long lists, this implementation can be considerably
+ * more space- and time-efficient than the default [List] implementation.
+ */
+class Uint16List extends _NativeTypedArrayOfInt native "Uint16Array" {
+ /**
+ * Creates a [Uint16List] of the specified length (in elements), all
+ * of whose elements are initially zero.
+ */
+ factory Uint16List(int length) => _create1(_checkLength(length));
+
+ /**
+ * Creates a [Uint16List] with the same size as the [elements] list
+ * and copies over the elements.
+ */
+ factory Uint16List.fromList(List<int> list) =>
+ _create1(_ensureNativeList(list));
+
+ /**
+ * Creates a [Uint16List] _view_ of the specified region in
+ * the specified byte buffer. Changes in the [Uint16List] will be
+ * visible in the byte buffer and vice versa. If the [offsetInBytes] index
+ * of the region is not specified, it defaults to zero (the first byte in
+ * the byte buffer). If the length is not specified, it defaults to null,
+ * which indicates that the view extends to the end of the byte buffer.
+ *
+ * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
+ * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
+ * the length of [buffer].
+ *
+ * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
+ * BYTES_PER_ELEMENT.
+ */
+ factory Uint16List.view(ByteBuffer buffer,
+ [int offsetInBytes = 0, int length]) {
+ _checkViewArguments(buffer, offsetInBytes, length);
+ return length == null
+ ? _create2(buffer, offsetInBytes)
+ : _create3(buffer, offsetInBytes, length);
+ }
+
+ static const int BYTES_PER_ELEMENT = 2;
+
+ int operator[](int index) {
+ _checkIndex(index, length);
+ return JS("JSUInt31", "#[#]", this, index);
+ }
+
+ void operator[]=(int index, int value) {
+ _checkIndex(index, length);
+ JS("void", "#[#] = #", this, index, value);
+ }
+
+ List<int> sublist(int start, [int end]) {
+ end = _checkSublistArguments(start, end, length);
+ var source = JS('Uint16List', '#.subarray(#, #)', this, start, end);
+ return _create1(source);
+ }
+
+ static Uint16List _create1(arg) =>
+ JS('Uint16List', 'new Uint16Array(#)', arg);
+
+ static Uint16List _create2(arg1, arg2) =>
+ JS('Uint16List', 'new Uint16Array(#, #)', arg1, arg2);
+
+ static Uint16List _create3(arg1, arg2, arg3) =>
+ JS('Uint16List', 'new Uint16Array(#, #, #)', arg1, arg2, arg3);
+}
+
+
+/**
+ * A fixed-length list of 32-bit unsigned integers that is viewable as a
+ * [TypedData]. For long lists, this implementation can be considerably
+ * more space- and time-efficient than the default [List] implementation.
+ */
+class Uint32List extends _NativeTypedArrayOfInt native "Uint32Array" {
+ /**
+ * Creates a [Uint32List] of the specified length (in elements), all
+ * of whose elements are initially zero.
+ */
+ factory Uint32List(int length) => _create1(_checkLength(length));
+
+ /**
+ * Creates a [Uint32List] with the same size as the [elements] list
+ * and copies over the elements.
+ */
+ factory Uint32List.fromList(List<int> list) =>
+ _create1(_ensureNativeList(list));
+
+ /**
+ * Creates a [Uint32List] _view_ of the specified region in
+ * the specified byte buffer. Changes in the [Uint32] will be
+ * visible in the byte buffer and vice versa. If the [offsetInBytes] index
+ * of the region is not specified, it defaults to zero (the first byte in
+ * the byte buffer). If the length is not specified, it defaults to null,
+ * which indicates that the view extends to the end of the byte buffer.
+ *
+ * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
+ * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
+ * the length of [buffer].
+ *
+ * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
+ * BYTES_PER_ELEMENT.
+ */
+ factory Uint32List.view(ByteBuffer buffer,
+ [int offsetInBytes = 0, int length]) {
+ _checkViewArguments(buffer, offsetInBytes, length);
+ return length == null
+ ? _create2(buffer, offsetInBytes)
+ : _create3(buffer, offsetInBytes, length);
+ }
+
+ static const int BYTES_PER_ELEMENT = 4;
+
+ int operator[](int index) {
+ _checkIndex(index, length);
+ return JS("JSUInt32", "#[#]", this, index);
+ }
+
+ void operator[]=(int index, int value) {
+ _checkIndex(index, length);
+ JS("void", "#[#] = #", this, index, value);
+ }
+
+ List<int> sublist(int start, [int end]) {
+ end = _checkSublistArguments(start, end, length);
+ var source = JS('Uint32List', '#.subarray(#, #)', this, start, end);
+ return _create1(source);
+ }
+
+ static Uint32List _create1(arg) =>
+ JS('Uint32List', 'new Uint32Array(#)', arg);
+
+ static Uint32List _create2(arg1, arg2) =>
+ JS('Uint32List', 'new Uint32Array(#, #)', arg1, arg2);
+
+ static Uint32List _create3(arg1, arg2, arg3) =>
+ JS('Uint32List', 'new Uint32Array(#, #, #)', arg1, arg2, arg3);
+}
+
+
+/**
+ * A fixed-length list of 8-bit unsigned integers.
+ * For long lists, this implementation can be considerably
+ * more space- and time-efficient than the default [List] implementation.
+ * Indexed store clamps the value to range 0..0xFF.
+ */
+class Uint8ClampedList extends _NativeTypedArrayOfInt
+ native "Uint8ClampedArray,CanvasPixelArray" {
+ /**
+ * Creates a [Uint8ClampedList] of the specified length (in elements), all of
+ * whose elements are initially zero.
+ */
+ factory Uint8ClampedList(int length) => _create1(_checkLength(length));
+
+ /**
+ * Creates a [Uint8ClampedList] of the same size as the [elements]
+ * list and copies over the values clamping when needed.
+ */
+ factory Uint8ClampedList.fromList(List<int> list) =>
+ _create1(_ensureNativeList(list));
+
+ /**
+ * Creates a [Uint8ClampedList] _view_ of the specified region in the
+ * specified byte [buffer]. Changes in the [Uint8List] will be visible in the
+ * byte buffer and vice versa. If the [offsetInBytes] index of the region is
+ * not specified, it defaults to zero (the first byte in the byte buffer).
+ * If the length is not specified, it defaults to null, which indicates that
+ * the view extends to the end of the byte buffer.
+ *
+ * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
+ * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
+ * the length of [buffer].
+ */
+ factory Uint8ClampedList.view(ByteBuffer buffer,
+ [int offsetInBytes = 0, int length]) {
+ _checkViewArguments(buffer, offsetInBytes, length);
+ return length == null
+ ? _create2(buffer, offsetInBytes)
+ : _create3(buffer, offsetInBytes, length);
+ }
+
+ static const int BYTES_PER_ELEMENT = 1;
+
+ int get length => JS("JSUInt32", '#.length', this);
+
+ int operator[](int index) {
+ _checkIndex(index, length);
+ return JS("JSUInt31", "#[#]", this, index);
+ }
+
+ void operator[]=(int index, int value) {
+ _checkIndex(index, length);
+ JS("void", "#[#] = #", this, index, value);
+ }
+
+ List<int> sublist(int start, [int end]) {
+ end = _checkSublistArguments(start, end, length);
+ var source = JS('Uint8ClampedList', '#.subarray(#, #)', this, start, end);
+ return _create1(source);
+ }
+
+ static Uint8ClampedList _create1(arg) =>
+ JS('Uint8ClampedList', 'new Uint8ClampedArray(#)', arg);
+
+ static Uint8ClampedList _create2(arg1, arg2) =>
+ JS('Uint8ClampedList', 'new Uint8ClampedArray(#, #)', arg1, arg2);
+
+ static Uint8ClampedList _create3(arg1, arg2, arg3) =>
+ JS('Uint8ClampedList', 'new Uint8ClampedArray(#, #, #)',
+ arg1, arg2, arg3);
+}
+
+
+/**
+ * A fixed-length list of 8-bit unsigned integers.
+ * For long lists, this implementation can be considerably
+ * more space- and time-efficient than the default [List] implementation.
+ */
+class Uint8List extends _NativeTypedArrayOfInt
+ // On some browsers Uint8ClampedArray is a subtype of Uint8Array. Marking
+ // Uint8List as !nonleaf ensures that the native dispatch correctly handles
+ // the potential for Uint8ClampedArray to 'accidentally' pick up the
+ // dispatch record for Uint8List.
+ native "Uint8Array,!nonleaf" {
+ /**
+ * Creates a [Uint8List] of the specified length (in elements), all of
+ * whose elements are initially zero.
+ */
+ factory Uint8List(int length) => _create1(_checkLength(length));
+
+ /**
+ * Creates a [Uint8List] with the same size as the [elements] list
+ * and copies over the elements.
+ */
+ factory Uint8List.fromList(List<int> list) =>
+ _create1(_ensureNativeList(list));
+
+ /**
+ * Creates a [Uint8List] _view_ of the specified region in the specified
+ * byte buffer. Changes in the [Uint8List] will be visible in the byte
+ * buffer and vice versa. If the [offsetInBytes] index of the region is not
+ * specified, it defaults to zero (the first byte in the byte buffer).
+ * If the length is not specified, it defaults to null, which indicates
+ * that the view extends to the end of the byte buffer.
+ *
+ * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
+ * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
+ * the length of [buffer].
+ */
+ factory Uint8List.view(ByteBuffer buffer,
+ [int offsetInBytes = 0, int length]) {
+ _checkViewArguments(buffer, offsetInBytes, length);
+ return length == null
+ ? _create2(buffer, offsetInBytes)
+ : _create3(buffer, offsetInBytes, length);
+ }
+
+ static const int BYTES_PER_ELEMENT = 1;
+
+ int get length => JS("JSUInt32", '#.length', this);
+
+ int operator[](int index) {
+ _checkIndex(index, length);
+ return JS("JSUInt31", "#[#]", this, index);
+ }
+
+ void operator[]=(int index, int value) {
+ _checkIndex(index, length);
+ JS("void", "#[#] = #", this, index, value);
+ }
+
+ List<int> sublist(int start, [int end]) {
+ end = _checkSublistArguments(start, end, length);
+ var source = JS('Uint8List', '#.subarray(#, #)', this, start, end);
+ return _create1(source);
+ }
+
+ static Uint8List _create1(arg) =>
+ JS('Uint8List', 'new Uint8Array(#)', arg);
+
+ static Uint8List _create2(arg1, arg2) =>
+ JS('Uint8List', 'new Uint8Array(#, #)', arg1, arg2);
+
+ static Uint8List _create3(arg1, arg2, arg3) =>
+ JS('Uint8List', 'new Uint8Array(#, #, #)', arg1, arg2, arg3);
+}
+
+
+/**
+ * A fixed-length list of 64-bit signed integers that is viewable as a
+ * [TypedData]. For long lists, this implementation can be considerably
+ * more space- and time-efficient than the default [List] implementation.
+ */
+abstract class Int64List extends TypedData
+ implements JavaScriptIndexingBehavior, List<int> {
+ /**
+ * Creates an [Int64List] of the specified length (in elements), all of
+ * whose elements are initially zero.
+ */
+ factory Int64List(int length) {
+ throw new UnsupportedError("Int64List not supported by dart2js.");
+ }
+
+ /**
+ * Creates a [Int64List] with the same size as the [elements] list
+ * and copies over the elements.
+ */
+ factory Int64List.fromList(List<int> list) {
+ throw new UnsupportedError("Int64List not supported by dart2js.");
+ }
+
+ /**
+ * Creates an [Int64List] _view_ of the specified region in the specified
+ * byte buffer. Changes in the [Int64List] will be visible in the byte buffer
+ * and vice versa. If the [offsetInBytes] index of the region is not
+ * specified, it defaults to zero (the first byte in the byte buffer).
+ * If the length is not specified, it defaults to null, which indicates that
+ * the view extends to the end of the byte buffer.
+ *
+ * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
+ * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
+ * the length of [buffer].
+ *
+ * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
+ * BYTES_PER_ELEMENT.
+ */
+ factory Int64List.view(ByteBuffer buffer, [int byteOffset, int length]) {
+ throw new UnsupportedError("Int64List not supported by dart2js.");
+ }
+
+ static const int BYTES_PER_ELEMENT = 8;
+}
+
+
+/**
+ * A fixed-length list of 64-bit unsigned integers that is viewable as a
+ * [TypedData]. For long lists, this implementation can be considerably
+ * more space- and time-efficient than the default [List] implementation.
+ */
+abstract class Uint64List extends TypedData
+ implements JavaScriptIndexingBehavior, List<int> {
+ /**
+ * Creates a [Uint64List] of the specified length (in elements), all
+ * of whose elements are initially zero.
+ */
+ factory Uint64List(int length) {
+ throw new UnsupportedError("Uint64List not supported by dart2js.");
+ }
+
+ /**
+ * Creates a [Uint64List] with the same size as the [elements] list
+ * and copies over the elements.
+ */
+ factory Uint64List.fromList(List<int> list) {
+ throw new UnsupportedError("Uint64List not supported by dart2js.");
+ }
+
+ /**
+ * Creates an [Uint64List] _view_ of the specified region in
+ * the specified byte buffer. Changes in the [Uint64List] will be
+ * visible in the byte buffer and vice versa. If the [offsetInBytes]
+ * index of the region is not specified, it defaults to zero (the first
+ * byte in the byte buffer). If the length is not specified, it defaults
+ * to null, which indicates that the view extends to the end of the byte
+ * buffer.
+ *
+ * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
+ * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
+ * the length of [buffer].
+ *
+ * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
+ * BYTES_PER_ELEMENT.
+ */
+ factory Uint64List.view(ByteBuffer buffer, [int byteOffset, int length]) {
+ throw new UnsupportedError("Uint64List not supported by dart2js.");
+ }
+
+ static const int BYTES_PER_ELEMENT = 8;
+}
+
+
+/**
+ * A fixed-length list of Float32x4 numbers that is viewable as a
+ * [TypedData]. For long lists, this implementation will be considerably more
+ * space- and time-efficient than the default [List] implementation.
+ */
+class Float32x4List
+ extends Object with ListMixin<Float32x4>, FixedLengthListMixin<Float32x4>
+ implements List<Float32x4>, TypedData {
+
+ final Float32List _storage;
+
+ ByteBuffer get buffer => _storage.buffer;
+
+ int get lengthInBytes => _storage.lengthInBytes;
+
+ int get offsetInBytes => _storage.offsetInBytes;
+
+ final int elementSizeInBytes = 16;
+
+ void _invalidIndex(int index, int length) {
+ if (index < 0 || index >= length) {
+ throw new RangeError.range(index, 0, length);
+ } else {
+ throw new ArgumentError('Invalid list index $index');
+ }
+ }
+
+ void _checkIndex(int index, int length) {
+ if (JS('bool', '(# >>> 0 != #)', index, index) || index >= length) {
+ _invalidIndex(index, length);
+ }
+ }
+
+ int _checkSublistArguments(int start, int end, int length) {
+ // For `sublist` the [start] and [end] indices are allowed to be equal to
+ // [length]. However, [_checkIndex] only allows indices in the range
+ // 0 .. length - 1. We therefore increment the [length] argument by one
+ // for the [_checkIndex] checks.
+ _checkIndex(start, length + 1);
+ if (end == null) return length;
+ _checkIndex(end, length + 1);
+ if (start > end) throw new RangeError.range(start, 0, end);
+ return end;
+ }
+
+ /**
+ * Creates a [Float32x4List] of the specified length (in elements),
+ * all of whose elements are initially zero.
+ */
+ Float32x4List(int length) : _storage = new Float32List(length*4);
+
+ Float32x4List._externalStorage(Float32List storage) : _storage = storage;
+
+ Float32x4List._slowFromList(List<Float32x4> list)
+ : _storage = new Float32List(list.length * 4) {
+ for (int i = 0; i < list.length; i++) {
+ var e = list[i];
+ _storage[(i*4)+0] = e.x;
+ _storage[(i*4)+1] = e.y;
+ _storage[(i*4)+2] = e.z;
+ _storage[(i*4)+3] = e.w;
+ }
+ }
+
+ /**
+ * Creates a [Float32x4List] with the same size as the [elements] list
+ * and copies over the elements.
+ */
+ factory Float32x4List.fromList(List<Float32x4> list) {
+ if (list is Float32x4List) {
+ Float32x4List nativeList = list as Float32x4List;
+ return new Float32x4List._externalStorage(
+ new Float32List.fromList(nativeList._storage));
+ } else {
+ return new Float32x4List._slowFromList(list);
+ }
+ }
+
+ /**
+ * Creates a [Float32x4List] _view_ of the specified region in the specified
+ * byte buffer. Changes in the [Float32x4List] will be visible in the byte
+ * buffer and vice versa. If the [offsetInBytes] index of the region is not
+ * specified, it defaults to zero (the first byte in the byte buffer).
+ * If the length is not specified, it defaults to null, which indicates
+ * that the view extends to the end of the byte buffer.
+ *
+ * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
+ * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
+ * the length of [buffer].
+ *
+ * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
+ * BYTES_PER_ELEMENT.
+ */
+ Float32x4List.view(ByteBuffer buffer,
+ [int byteOffset = 0, int length])
+ : _storage = new Float32List.view(buffer, byteOffset, length);
+
+ static const int BYTES_PER_ELEMENT = 16;
+
+ int get length => _storage.length ~/ 4;
+
+ Float32x4 operator[](int index) {
+ _checkIndex(index, length);
+ double _x = _storage[(index*4)+0];
+ double _y = _storage[(index*4)+1];
+ double _z = _storage[(index*4)+2];
+ double _w = _storage[(index*4)+3];
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ void operator[]=(int index, Float32x4 value) {
+ _checkIndex(index, length);
+ _storage[(index*4)+0] = value._storage[0];
+ _storage[(index*4)+1] = value._storage[1];
+ _storage[(index*4)+2] = value._storage[2];
+ _storage[(index*4)+3] = value._storage[3];
+ }
+
+ List<Float32x4> sublist(int start, [int end]) {
+ end = _checkSublistArguments(start, end, length);
+ return new Float32x4List._externalStorage(_storage.sublist(start*4, end*4));
+ }
+}
+
+
+/**
+ * A fixed-length list of Int32x4 numbers that is viewable as a
+ * [TypedData]. For long lists, this implementation will be considerably more
+ * space- and time-efficient than the default [List] implementation.
+ */
+class Int32x4List
+ extends Object with ListMixin<Int32x4>, FixedLengthListMixin<Int32x4>
+ implements List<Int32x4>, TypedData {
+
+ final Uint32List _storage;
+
+ ByteBuffer get buffer => _storage.buffer;
+
+ int get lengthInBytes => _storage.lengthInBytes;
+
+ int get offsetInBytes => _storage.offsetInBytes;
+
+ final int elementSizeInBytes = 16;
+
+ void _invalidIndex(int index, int length) {
+ if (index < 0 || index >= length) {
+ throw new RangeError.range(index, 0, length);
+ } else {
+ throw new ArgumentError('Invalid list index $index');
+ }
+ }
+
+ void _checkIndex(int index, int length) {
+ if (JS('bool', '(# >>> 0 != #)', index, index)
+ || JS('bool', '# >= #', index, length)) {
+ _invalidIndex(index, length);
+ }
+ }
+
+ int _checkSublistArguments(int start, int end, int length) {
+ // For `sublist` the [start] and [end] indices are allowed to be equal to
+ // [length]. However, [_checkIndex] only allows indices in the range
+ // 0 .. length - 1. We therefore increment the [length] argument by one
+ // for the [_checkIndex] checks.
+ _checkIndex(start, length + 1);
+ if (end == null) return length;
+ _checkIndex(end, length + 1);
+ if (start > end) throw new RangeError.range(start, 0, end);
+ return end;
+ }
+
+ /**
+ * Creates a [Int32x4List] of the specified length (in elements),
+ * all of whose elements are initially zero.
+ */
+ Int32x4List(int length) : _storage = new Uint32List(length*4);
+
+ Int32x4List._externalStorage(Uint32List storage) : _storage = storage;
+
+ Int32x4List._slowFromList(List<Int32x4> list)
+ : _storage = new Uint32List(list.length * 4) {
+ for (int i = 0; i < list.length; i++) {
+ var e = list[i];
+ _storage[(i*4)+0] = e.x;
+ _storage[(i*4)+1] = e.y;
+ _storage[(i*4)+2] = e.z;
+ _storage[(i*4)+3] = e.w;
+ }
+ }
+
+ /**
+ * Creates a [Int32x4List] with the same size as the [elements] list
+ * and copies over the elements.
+ */
+ factory Int32x4List.fromList(List<Int32x4> list) {
+ if (list is Int32x4List) {
+ Int32x4List nativeList = list as Int32x4List;
+ return new Int32x4List._externalStorage(
+ new Uint32List.fromList(nativeList._storage));
+ } else {
+ return new Int32x4List._slowFromList(list);
+ }
+ }
+
+ /**
+ * Creates a [Int32x4List] _view_ of the specified region in the specified
+ * byte buffer. Changes in the [Int32x4List] will be visible in the byte
+ * buffer and vice versa. If the [offsetInBytes] index of the region is not
+ * specified, it defaults to zero (the first byte in the byte buffer).
+ * If the length is not specified, it defaults to null, which indicates
+ * that the view extends to the end of the byte buffer.
+ *
+ * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
+ * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
+ * the length of [buffer].
+ *
+ * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
+ * BYTES_PER_ELEMENT.
+ */
+ Int32x4List.view(ByteBuffer buffer,
+ [int byteOffset = 0, int length])
+ : _storage = new Uint32List.view(buffer, byteOffset, length);
+
+ static const int BYTES_PER_ELEMENT = 16;
+
+ int get length => _storage.length ~/ 4;
+
+ Int32x4 operator[](int index) {
+ _checkIndex(index, length);
+ int _x = _storage[(index*4)+0];
+ int _y = _storage[(index*4)+1];
+ int _z = _storage[(index*4)+2];
+ int _w = _storage[(index*4)+3];
+ return new Int32x4(_x, _y, _z, _w);
+ }
+
+ void operator[]=(int index, Int32x4 value) {
+ _checkIndex(index, length);
+ _storage[(index*4)+0] = value._storage[0];
+ _storage[(index*4)+1] = value._storage[1];
+ _storage[(index*4)+2] = value._storage[2];
+ _storage[(index*4)+3] = value._storage[3];
+ }
+
+ List<Int32x4> sublist(int start, [int end]) {
+ end = _checkSublistArguments(start, end, length);
+ return new Int32x4List._externalStorage(_storage.sublist(start*4, end*4));
+ }
+}
+
+
+/**
+ * Interface of Dart Float32x4 immutable value type and operations.
+ * Float32x4 stores 4 32-bit floating point values in "lanes".
+ * The lanes are "x", "y", "z", and "w" respectively.
+ */
+class Float32x4 {
+ final _storage = new Float32List(4);
+
+ Float32x4(double x, double y, double z, double w) {
+ _storage[0] = x;
+ _storage[1] = y;
+ _storage[2] = z;
+ _storage[3] = w;
+ }
+ Float32x4.splat(double v) {
+ _storage[0] = v;
+ _storage[1] = v;
+ _storage[2] = v;
+ _storage[3] = v;
+ }
+ Float32x4.zero();
+ /// Returns a bit-wise copy of [x] as a Float32x4.
+ Float32x4.fromInt32x4Bits(Int32x4 x) {
+ var view = new Float32List.view(x._storage.buffer);
+ _storage[0] = view[0];
+ _storage[1] = view[1];
+ _storage[2] = view[2];
+ _storage[3] = view[3];
+ }
+
+ /// Addition operator.
+ Float32x4 operator+(Float32x4 other) {
+ double _x = _storage[0] + other._storage[0];
+ double _y = _storage[1] + other._storage[1];
+ double _z = _storage[2] + other._storage[2];
+ double _w = _storage[3] + other._storage[3];
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ /// Negate operator.
+ Float32x4 operator-() {
+ double _x = -_storage[0];
+ double _y = -_storage[1];
+ double _z = -_storage[2];
+ double _w = -_storage[3];
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ /// Subtraction operator.
+ Float32x4 operator-(Float32x4 other) {
+ double _x = _storage[0] - other._storage[0];
+ double _y = _storage[1] - other._storage[1];
+ double _z = _storage[2] - other._storage[2];
+ double _w = _storage[3] - other._storage[3];
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ /// Multiplication operator.
+ Float32x4 operator*(Float32x4 other) {
+ double _x = _storage[0] * other._storage[0];
+ double _y = _storage[1] * other._storage[1];
+ double _z = _storage[2] * other._storage[2];
+ double _w = _storage[3] * other._storage[3];
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ /// Division operator.
+ Float32x4 operator/(Float32x4 other) {
+ double _x = _storage[0] / other._storage[0];
+ double _y = _storage[1] / other._storage[1];
+ double _z = _storage[2] / other._storage[2];
+ double _w = _storage[3] / other._storage[3];
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ /// Relational less than.
+ Int32x4 lessThan(Float32x4 other) {
+ bool _cx = _storage[0] < other._storage[0];
+ bool _cy = _storage[1] < other._storage[1];
+ bool _cz = _storage[2] < other._storage[2];
+ bool _cw = _storage[3] < other._storage[3];
+ return new Int32x4(_cx == true ? 0xFFFFFFFF : 0x0,
+ _cy == true ? 0xFFFFFFFF : 0x0,
+ _cz == true ? 0xFFFFFFFF : 0x0,
+ _cw == true ? 0xFFFFFFFF : 0x0);
+ }
+
+ /// Relational less than or equal.
+ Int32x4 lessThanOrEqual(Float32x4 other) {
+ bool _cx = _storage[0] <= other._storage[0];
+ bool _cy = _storage[1] <= other._storage[1];
+ bool _cz = _storage[2] <= other._storage[2];
+ bool _cw = _storage[3] <= other._storage[3];
+ return new Int32x4(_cx == true ? 0xFFFFFFFF : 0x0,
+ _cy == true ? 0xFFFFFFFF : 0x0,
+ _cz == true ? 0xFFFFFFFF : 0x0,
+ _cw == true ? 0xFFFFFFFF : 0x0);
+ }
+
+ /// Relational greater than.
+ Int32x4 greaterThan(Float32x4 other) {
+ bool _cx = _storage[0] > other._storage[0];
+ bool _cy = _storage[1] > other._storage[1];
+ bool _cz = _storage[2] > other._storage[2];
+ bool _cw = _storage[3] > other._storage[3];
+ return new Int32x4(_cx == true ? 0xFFFFFFFF : 0x0,
+ _cy == true ? 0xFFFFFFFF : 0x0,
+ _cz == true ? 0xFFFFFFFF : 0x0,
+ _cw == true ? 0xFFFFFFFF : 0x0);
+ }
+
+ /// Relational greater than or equal.
+ Int32x4 greaterThanOrEqual(Float32x4 other) {
+ bool _cx = _storage[0] >= other._storage[0];
+ bool _cy = _storage[1] >= other._storage[1];
+ bool _cz = _storage[2] >= other._storage[2];
+ bool _cw = _storage[3] >= other._storage[3];
+ return new Int32x4(_cx == true ? 0xFFFFFFFF : 0x0,
+ _cy == true ? 0xFFFFFFFF : 0x0,
+ _cz == true ? 0xFFFFFFFF : 0x0,
+ _cw == true ? 0xFFFFFFFF : 0x0);
+ }
+
+ /// Relational equal.
+ Int32x4 equal(Float32x4 other) {
+ bool _cx = _storage[0] == other._storage[0];
+ bool _cy = _storage[1] == other._storage[1];
+ bool _cz = _storage[2] == other._storage[2];
+ bool _cw = _storage[3] == other._storage[3];
+ return new Int32x4(_cx == true ? 0xFFFFFFFF : 0x0,
+ _cy == true ? 0xFFFFFFFF : 0x0,
+ _cz == true ? 0xFFFFFFFF : 0x0,
+ _cw == true ? 0xFFFFFFFF : 0x0);
+ }
+
+ /// Relational not-equal.
+ Int32x4 notEqual(Float32x4 other) {
+ bool _cx = _storage[0] != other._storage[0];
+ bool _cy = _storage[1] != other._storage[1];
+ bool _cz = _storage[2] != other._storage[2];
+ bool _cw = _storage[3] != other._storage[3];
+ return new Int32x4(_cx == true ? 0xFFFFFFFF : 0x0,
+ _cy == true ? 0xFFFFFFFF : 0x0,
+ _cz == true ? 0xFFFFFFFF : 0x0,
+ _cw == true ? 0xFFFFFFFF : 0x0);
+ }
+
+ /// Returns a copy of [this] each lane being scaled by [s].
+ Float32x4 scale(double s) {
+ double _x = s * _storage[0];
+ double _y = s * _storage[1];
+ double _z = s * _storage[2];
+ double _w = s * _storage[3];
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ /// Returns the absolute value of this [Float32x4].
+ Float32x4 abs() {
+ double _x = _storage[0].abs();
+ double _y = _storage[1].abs();
+ double _z = _storage[2].abs();
+ double _w = _storage[3].abs();
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ /// Clamps [this] to be in the range [lowerLimit]-[upperLimit].
+ Float32x4 clamp(Float32x4 lowerLimit, Float32x4 upperLimit) {
+ double _lx = lowerLimit._storage[0];
+ double _ly = lowerLimit._storage[1];
+ double _lz = lowerLimit._storage[2];
+ double _lw = lowerLimit._storage[3];
+ double _ux = upperLimit._storage[0];
+ double _uy = upperLimit._storage[1];
+ double _uz = upperLimit._storage[2];
+ double _uw = upperLimit._storage[3];
+ double _x = _storage[0];
+ double _y = _storage[1];
+ double _z = _storage[2];
+ double _w = _storage[3];
+ // MAX(MIN(self, upper), lower).
+ _x = _x > _ux ? _ux : _x;
+ _y = _y > _uy ? _uy : _y;
+ _z = _z > _uz ? _uz : _z;
+ _w = _w > _uw ? _uw : _w;
+ _x = _x < _lx ? _lx : _x;
+ _y = _y < _ly ? _ly : _y;
+ _z = _z < _lz ? _lz : _z;
+ _w = _w < _lw ? _lw : _w;
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ /// Extracted x value.
+ double get x => _storage[0];
+ /// Extracted y value.
+ double get y => _storage[1];
+ /// Extracted z value.
+ double get z => _storage[2];
+ /// Extracted w value.
+ double get w => _storage[3];
+
+ /// Extract the sign bit from each lane return them in the first 4 bits.
+ int get signMask {
+ var view = new Uint32List.view(_storage.buffer);
+ var mx = (view[0] & 0x80000000) >> 31;
+ var my = (view[1] & 0x80000000) >> 31;
+ var mz = (view[2] & 0x80000000) >> 31;
+ var mw = (view[3] & 0x80000000) >> 31;
+ return mx | my << 1 | mz << 2 | mw << 3;
+ }
+
+ /// Mask passed to [shuffle] and [shuffleMix].
+ static const int XXXX = 0x0;
+ static const int XXXY = 0x40;
+ static const int XXXZ = 0x80;
+ static const int XXXW = 0xC0;
+ static const int XXYX = 0x10;
+ static const int XXYY = 0x50;
+ static const int XXYZ = 0x90;
+ static const int XXYW = 0xD0;
+ static const int XXZX = 0x20;
+ static const int XXZY = 0x60;
+ static const int XXZZ = 0xA0;
+ static const int XXZW = 0xE0;
+ static const int XXWX = 0x30;
+ static const int XXWY = 0x70;
+ static const int XXWZ = 0xB0;
+ static const int XXWW = 0xF0;
+ static const int XYXX = 0x4;
+ static const int XYXY = 0x44;
+ static const int XYXZ = 0x84;
+ static const int XYXW = 0xC4;
+ static const int XYYX = 0x14;
+ static const int XYYY = 0x54;
+ static const int XYYZ = 0x94;
+ static const int XYYW = 0xD4;
+ static const int XYZX = 0x24;
+ static const int XYZY = 0x64;
+ static const int XYZZ = 0xA4;
+ static const int XYZW = 0xE4;
+ static const int XYWX = 0x34;
+ static const int XYWY = 0x74;
+ static const int XYWZ = 0xB4;
+ static const int XYWW = 0xF4;
+ static const int XZXX = 0x8;
+ static const int XZXY = 0x48;
+ static const int XZXZ = 0x88;
+ static const int XZXW = 0xC8;
+ static const int XZYX = 0x18;
+ static const int XZYY = 0x58;
+ static const int XZYZ = 0x98;
+ static const int XZYW = 0xD8;
+ static const int XZZX = 0x28;
+ static const int XZZY = 0x68;
+ static const int XZZZ = 0xA8;
+ static const int XZZW = 0xE8;
+ static const int XZWX = 0x38;
+ static const int XZWY = 0x78;
+ static const int XZWZ = 0xB8;
+ static const int XZWW = 0xF8;
+ static const int XWXX = 0xC;
+ static const int XWXY = 0x4C;
+ static const int XWXZ = 0x8C;
+ static const int XWXW = 0xCC;
+ static const int XWYX = 0x1C;
+ static const int XWYY = 0x5C;
+ static const int XWYZ = 0x9C;
+ static const int XWYW = 0xDC;
+ static const int XWZX = 0x2C;
+ static const int XWZY = 0x6C;
+ static const int XWZZ = 0xAC;
+ static const int XWZW = 0xEC;
+ static const int XWWX = 0x3C;
+ static const int XWWY = 0x7C;
+ static const int XWWZ = 0xBC;
+ static const int XWWW = 0xFC;
+ static const int YXXX = 0x1;
+ static const int YXXY = 0x41;
+ static const int YXXZ = 0x81;
+ static const int YXXW = 0xC1;
+ static const int YXYX = 0x11;
+ static const int YXYY = 0x51;
+ static const int YXYZ = 0x91;
+ static const int YXYW = 0xD1;
+ static const int YXZX = 0x21;
+ static const int YXZY = 0x61;
+ static const int YXZZ = 0xA1;
+ static const int YXZW = 0xE1;
+ static const int YXWX = 0x31;
+ static const int YXWY = 0x71;
+ static const int YXWZ = 0xB1;
+ static const int YXWW = 0xF1;
+ static const int YYXX = 0x5;
+ static const int YYXY = 0x45;
+ static const int YYXZ = 0x85;
+ static const int YYXW = 0xC5;
+ static const int YYYX = 0x15;
+ static const int YYYY = 0x55;
+ static const int YYYZ = 0x95;
+ static const int YYYW = 0xD5;
+ static const int YYZX = 0x25;
+ static const int YYZY = 0x65;
+ static const int YYZZ = 0xA5;
+ static const int YYZW = 0xE5;
+ static const int YYWX = 0x35;
+ static const int YYWY = 0x75;
+ static const int YYWZ = 0xB5;
+ static const int YYWW = 0xF5;
+ static const int YZXX = 0x9;
+ static const int YZXY = 0x49;
+ static const int YZXZ = 0x89;
+ static const int YZXW = 0xC9;
+ static const int YZYX = 0x19;
+ static const int YZYY = 0x59;
+ static const int YZYZ = 0x99;
+ static const int YZYW = 0xD9;
+ static const int YZZX = 0x29;
+ static const int YZZY = 0x69;
+ static const int YZZZ = 0xA9;
+ static const int YZZW = 0xE9;
+ static const int YZWX = 0x39;
+ static const int YZWY = 0x79;
+ static const int YZWZ = 0xB9;
+ static const int YZWW = 0xF9;
+ static const int YWXX = 0xD;
+ static const int YWXY = 0x4D;
+ static const int YWXZ = 0x8D;
+ static const int YWXW = 0xCD;
+ static const int YWYX = 0x1D;
+ static const int YWYY = 0x5D;
+ static const int YWYZ = 0x9D;
+ static const int YWYW = 0xDD;
+ static const int YWZX = 0x2D;
+ static const int YWZY = 0x6D;
+ static const int YWZZ = 0xAD;
+ static const int YWZW = 0xED;
+ static const int YWWX = 0x3D;
+ static const int YWWY = 0x7D;
+ static const int YWWZ = 0xBD;
+ static const int YWWW = 0xFD;
+ static const int ZXXX = 0x2;
+ static const int ZXXY = 0x42;
+ static const int ZXXZ = 0x82;
+ static const int ZXXW = 0xC2;
+ static const int ZXYX = 0x12;
+ static const int ZXYY = 0x52;
+ static const int ZXYZ = 0x92;
+ static const int ZXYW = 0xD2;
+ static const int ZXZX = 0x22;
+ static const int ZXZY = 0x62;
+ static const int ZXZZ = 0xA2;
+ static const int ZXZW = 0xE2;
+ static const int ZXWX = 0x32;
+ static const int ZXWY = 0x72;
+ static const int ZXWZ = 0xB2;
+ static const int ZXWW = 0xF2;
+ static const int ZYXX = 0x6;
+ static const int ZYXY = 0x46;
+ static const int ZYXZ = 0x86;
+ static const int ZYXW = 0xC6;
+ static const int ZYYX = 0x16;
+ static const int ZYYY = 0x56;
+ static const int ZYYZ = 0x96;
+ static const int ZYYW = 0xD6;
+ static const int ZYZX = 0x26;
+ static const int ZYZY = 0x66;
+ static const int ZYZZ = 0xA6;
+ static const int ZYZW = 0xE6;
+ static const int ZYWX = 0x36;
+ static const int ZYWY = 0x76;
+ static const int ZYWZ = 0xB6;
+ static const int ZYWW = 0xF6;
+ static const int ZZXX = 0xA;
+ static const int ZZXY = 0x4A;
+ static const int ZZXZ = 0x8A;
+ static const int ZZXW = 0xCA;
+ static const int ZZYX = 0x1A;
+ static const int ZZYY = 0x5A;
+ static const int ZZYZ = 0x9A;
+ static const int ZZYW = 0xDA;
+ static const int ZZZX = 0x2A;
+ static const int ZZZY = 0x6A;
+ static const int ZZZZ = 0xAA;
+ static const int ZZZW = 0xEA;
+ static const int ZZWX = 0x3A;
+ static const int ZZWY = 0x7A;
+ static const int ZZWZ = 0xBA;
+ static const int ZZWW = 0xFA;
+ static const int ZWXX = 0xE;
+ static const int ZWXY = 0x4E;
+ static const int ZWXZ = 0x8E;
+ static const int ZWXW = 0xCE;
+ static const int ZWYX = 0x1E;
+ static const int ZWYY = 0x5E;
+ static const int ZWYZ = 0x9E;
+ static const int ZWYW = 0xDE;
+ static const int ZWZX = 0x2E;
+ static const int ZWZY = 0x6E;
+ static const int ZWZZ = 0xAE;
+ static const int ZWZW = 0xEE;
+ static const int ZWWX = 0x3E;
+ static const int ZWWY = 0x7E;
+ static const int ZWWZ = 0xBE;
+ static const int ZWWW = 0xFE;
+ static const int WXXX = 0x3;
+ static const int WXXY = 0x43;
+ static const int WXXZ = 0x83;
+ static const int WXXW = 0xC3;
+ static const int WXYX = 0x13;
+ static const int WXYY = 0x53;
+ static const int WXYZ = 0x93;
+ static const int WXYW = 0xD3;
+ static const int WXZX = 0x23;
+ static const int WXZY = 0x63;
+ static const int WXZZ = 0xA3;
+ static const int WXZW = 0xE3;
+ static const int WXWX = 0x33;
+ static const int WXWY = 0x73;
+ static const int WXWZ = 0xB3;
+ static const int WXWW = 0xF3;
+ static const int WYXX = 0x7;
+ static const int WYXY = 0x47;
+ static const int WYXZ = 0x87;
+ static const int WYXW = 0xC7;
+ static const int WYYX = 0x17;
+ static const int WYYY = 0x57;
+ static const int WYYZ = 0x97;
+ static const int WYYW = 0xD7;
+ static const int WYZX = 0x27;
+ static const int WYZY = 0x67;
+ static const int WYZZ = 0xA7;
+ static const int WYZW = 0xE7;
+ static const int WYWX = 0x37;
+ static const int WYWY = 0x77;
+ static const int WYWZ = 0xB7;
+ static const int WYWW = 0xF7;
+ static const int WZXX = 0xB;
+ static const int WZXY = 0x4B;
+ static const int WZXZ = 0x8B;
+ static const int WZXW = 0xCB;
+ static const int WZYX = 0x1B;
+ static const int WZYY = 0x5B;
+ static const int WZYZ = 0x9B;
+ static const int WZYW = 0xDB;
+ static const int WZZX = 0x2B;
+ static const int WZZY = 0x6B;
+ static const int WZZZ = 0xAB;
+ static const int WZZW = 0xEB;
+ static const int WZWX = 0x3B;
+ static const int WZWY = 0x7B;
+ static const int WZWZ = 0xBB;
+ static const int WZWW = 0xFB;
+ static const int WWXX = 0xF;
+ static const int WWXY = 0x4F;
+ static const int WWXZ = 0x8F;
+ static const int WWXW = 0xCF;
+ static const int WWYX = 0x1F;
+ static const int WWYY = 0x5F;
+ static const int WWYZ = 0x9F;
+ static const int WWYW = 0xDF;
+ static const int WWZX = 0x2F;
+ static const int WWZY = 0x6F;
+ static const int WWZZ = 0xAF;
+ static const int WWZW = 0xEF;
+ static const int WWWX = 0x3F;
+ static const int WWWY = 0x7F;
+ static const int WWWZ = 0xBF;
+ static const int WWWW = 0xFF;
+
+ /// Shuffle the lane values. [mask] must be one of the 256 shuffle constants.
+ Float32x4 shuffle(int m) {
+ if ((m < 0) || (m > 255)) {
+ throw new RangeError('mask $m must be in the range [0..256)');
+ }
+ double _x = _storage[m & 0x3];
+ double _y = _storage[(m >> 2) & 0x3];
+ double _z = _storage[(m >> 4) & 0x3];
+ double _w = _storage[(m >> 6) & 0x3];
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ /// Shuffle the lane values in [this] and [other]. The returned
+ /// Float32x4 will have XY lanes from [this] and ZW lanes from [other].
+ /// Uses the same [mask] as [shuffle].
+ Float32x4 shuffleMix(Float32x4 other, int m) {
+ if ((m < 0) || (m > 255)) {
+ throw new RangeError('mask $m must be in the range [0..256)');
+ }
+ double _x = _storage[m & 0x3];
+ double _y = _storage[(m >> 2) & 0x3];
+ double _z = other._storage[(m >> 4) & 0x3];
+ double _w = other._storage[(m >> 6) & 0x3];
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ /// Copy [this] and replace the [x] lane.
+ Float32x4 withX(double x) {
+ double _x = x;
+ double _y = _storage[1];
+ double _z = _storage[2];
+ double _w = _storage[3];
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ /// Copy [this] and replace the [y] lane.
+ Float32x4 withY(double y) {
+ double _x = _storage[0];
+ double _y = y;
+ double _z = _storage[2];
+ double _w = _storage[3];
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ /// Copy [this] and replace the [z] lane.
+ Float32x4 withZ(double z) {
+ double _x = _storage[0];
+ double _y = _storage[1];
+ double _z = z;
+ double _w = _storage[3];
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ /// Copy [this] and replace the [w] lane.
+ Float32x4 withW(double w) {
+ double _x = _storage[0];
+ double _y = _storage[1];
+ double _z = _storage[2];
+ double _w = w;
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ /// Returns the lane-wise minimum value in [this] or [other].
+ Float32x4 min(Float32x4 other) {
+ double _x = _storage[0] < other._storage[0] ?
+ _storage[0] : other._storage[0];
+ double _y = _storage[1] < other._storage[1] ?
+ _storage[1] : other._storage[1];
+ double _z = _storage[2] < other._storage[2] ?
+ _storage[2] : other._storage[2];
+ double _w = _storage[3] < other._storage[3] ?
+ _storage[3] : other._storage[3];
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ /// Returns the lane-wise maximum value in [this] or [other].
+ Float32x4 max(Float32x4 other) {
+ double _x = _storage[0] > other._storage[0] ?
+ _storage[0] : other._storage[0];
+ double _y = _storage[1] > other._storage[1] ?
+ _storage[1] : other._storage[1];
+ double _z = _storage[2] > other._storage[2] ?
+ _storage[2] : other._storage[2];
+ double _w = _storage[3] > other._storage[3] ?
+ _storage[3] : other._storage[3];
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ /// Returns the square root of [this].
+ Float32x4 sqrt() {
+ double _x = Math.sqrt(_storage[0]);
+ double _y = Math.sqrt(_storage[1]);
+ double _z = Math.sqrt(_storage[2]);
+ double _w = Math.sqrt(_storage[3]);
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ /// Returns the reciprocal of [this].
+ Float32x4 reciprocal() {
+ double _x = 1.0 / _storage[0];
+ double _y = 1.0 / _storage[1];
+ double _z = 1.0 / _storage[2];
+ double _w = 1.0 / _storage[3];
+ return new Float32x4(_x, _y, _z, _w);
+ }
+
+ /// Returns the square root of the reciprocal of [this].
+ Float32x4 reciprocalSqrt() {
+ double _x = Math.sqrt(1.0 / _storage[0]);
+ double _y = Math.sqrt(1.0 / _storage[1]);
+ double _z = Math.sqrt(1.0 / _storage[2]);
+ double _w = Math.sqrt(1.0 / _storage[3]);
+ return new Float32x4(_x, _y, _z, _w);
+ }
+}
+
+
+/**
+ * Interface of Dart Int32x4 and operations.
+ * Int32x4 stores 4 32-bit bit-masks in "lanes".
+ * The lanes are "x", "y", "z", and "w" respectively.
+ */
+class Int32x4 {
+ final _storage = new Int32List(4);
+
+ Int32x4(int x, int y, int z, int w) {
+ _storage[0] = x;
+ _storage[1] = y;
+ _storage[2] = z;
+ _storage[3] = w;
+ }
+
+ Int32x4.bool(bool x, bool y, bool z, bool w) {
+ _storage[0] = x == true ? 0xFFFFFFFF : 0x0;
+ _storage[1] = y == true ? 0xFFFFFFFF : 0x0;
+ _storage[2] = z == true ? 0xFFFFFFFF : 0x0;
+ _storage[3] = w == true ? 0xFFFFFFFF : 0x0;
+ }
+
+ /// Returns a bit-wise copy of [x] as a Int32x4.
+ Int32x4.fromFloat32x4Bits(Float32x4 x) {
+ var view = new Uint32List.view(x._storage.buffer);
+ _storage[0] = view[0];
+ _storage[1] = view[1];
+ _storage[2] = view[2];
+ _storage[3] = view[3];
+ }
+
+ /// The bit-wise or operator.
+ Int32x4 operator|(Int32x4 other) {
+ int _x = _storage[0] | other._storage[0];
+ int _y = _storage[1] | other._storage[1];
+ int _z = _storage[2] | other._storage[2];
+ int _w = _storage[3] | other._storage[3];
+ return new Int32x4(_x, _y, _z, _w);
+ }
+
+ /// The bit-wise and operator.
+ Int32x4 operator&(Int32x4 other) {
+ int _x = _storage[0] & other._storage[0];
+ int _y = _storage[1] & other._storage[1];
+ int _z = _storage[2] & other._storage[2];
+ int _w = _storage[3] & other._storage[3];
+ return new Int32x4(_x, _y, _z, _w);
+ }
+
+ /// The bit-wise xor operator.
+ Int32x4 operator^(Int32x4 other) {
+ int _x = _storage[0] ^ other._storage[0];
+ int _y = _storage[1] ^ other._storage[1];
+ int _z = _storage[2] ^ other._storage[2];
+ int _w = _storage[3] ^ other._storage[3];
+ return new Int32x4(_x, _y, _z, _w);
+ }
+
+ Int32x4 operator+(Int32x4 other) {
+ var r = new Int32x4(0, 0, 0, 0);
+ r._storage[0] = (_storage[0] + other._storage[0]);
+ r._storage[1] = (_storage[1] + other._storage[1]);
+ r._storage[2] = (_storage[2] + other._storage[2]);
+ r._storage[3] = (_storage[3] + other._storage[3]);
+ return r;
+ }
+
+ Int32x4 operator-(Int32x4 other) {
+ var r = new Int32x4(0, 0, 0, 0);
+ r._storage[0] = (_storage[0] - other._storage[0]);
+ r._storage[1] = (_storage[1] - other._storage[1]);
+ r._storage[2] = (_storage[2] - other._storage[2]);
+ r._storage[3] = (_storage[3] - other._storage[3]);
+ return r;
+ }
+
+ /// Extract 32-bit mask from x lane.
+ int get x => _storage[0];
+ /// Extract 32-bit mask from y lane.
+ int get y => _storage[1];
+ /// Extract 32-bit mask from z lane.
+ int get z => _storage[2];
+ /// Extract 32-bit mask from w lane.
+ int get w => _storage[3];
+
+ /// Extract the top bit from each lane return them in the first 4 bits.
+ int get signMask {
+ int mx = (_storage[0] & 0x80000000) >> 31;
+ int my = (_storage[1] & 0x80000000) >> 31;
+ int mz = (_storage[2] & 0x80000000) >> 31;
+ int mw = (_storage[3] & 0x80000000) >> 31;
+ return mx | my << 1 | mz << 2 | mw << 3;
+ }
+
+ /// Mask passed to [shuffle] and [shuffleMix].
+ static const int XXXX = 0x0;
+ static const int XXXY = 0x40;
+ static const int XXXZ = 0x80;
+ static const int XXXW = 0xC0;
+ static const int XXYX = 0x10;
+ static const int XXYY = 0x50;
+ static const int XXYZ = 0x90;
+ static const int XXYW = 0xD0;
+ static const int XXZX = 0x20;
+ static const int XXZY = 0x60;
+ static const int XXZZ = 0xA0;
+ static const int XXZW = 0xE0;
+ static const int XXWX = 0x30;
+ static const int XXWY = 0x70;
+ static const int XXWZ = 0xB0;
+ static const int XXWW = 0xF0;
+ static const int XYXX = 0x4;
+ static const int XYXY = 0x44;
+ static const int XYXZ = 0x84;
+ static const int XYXW = 0xC4;
+ static const int XYYX = 0x14;
+ static const int XYYY = 0x54;
+ static const int XYYZ = 0x94;
+ static const int XYYW = 0xD4;
+ static const int XYZX = 0x24;
+ static const int XYZY = 0x64;
+ static const int XYZZ = 0xA4;
+ static const int XYZW = 0xE4;
+ static const int XYWX = 0x34;
+ static const int XYWY = 0x74;
+ static const int XYWZ = 0xB4;
+ static const int XYWW = 0xF4;
+ static const int XZXX = 0x8;
+ static const int XZXY = 0x48;
+ static const int XZXZ = 0x88;
+ static const int XZXW = 0xC8;
+ static const int XZYX = 0x18;
+ static const int XZYY = 0x58;
+ static const int XZYZ = 0x98;
+ static const int XZYW = 0xD8;
+ static const int XZZX = 0x28;
+ static const int XZZY = 0x68;
+ static const int XZZZ = 0xA8;
+ static const int XZZW = 0xE8;
+ static const int XZWX = 0x38;
+ static const int XZWY = 0x78;
+ static const int XZWZ = 0xB8;
+ static const int XZWW = 0xF8;
+ static const int XWXX = 0xC;
+ static const int XWXY = 0x4C;
+ static const int XWXZ = 0x8C;
+ static const int XWXW = 0xCC;
+ static const int XWYX = 0x1C;
+ static const int XWYY = 0x5C;
+ static const int XWYZ = 0x9C;
+ static const int XWYW = 0xDC;
+ static const int XWZX = 0x2C;
+ static const int XWZY = 0x6C;
+ static const int XWZZ = 0xAC;
+ static const int XWZW = 0xEC;
+ static const int XWWX = 0x3C;
+ static const int XWWY = 0x7C;
+ static const int XWWZ = 0xBC;
+ static const int XWWW = 0xFC;
+ static const int YXXX = 0x1;
+ static const int YXXY = 0x41;
+ static const int YXXZ = 0x81;
+ static const int YXXW = 0xC1;
+ static const int YXYX = 0x11;
+ static const int YXYY = 0x51;
+ static const int YXYZ = 0x91;
+ static const int YXYW = 0xD1;
+ static const int YXZX = 0x21;
+ static const int YXZY = 0x61;
+ static const int YXZZ = 0xA1;
+ static const int YXZW = 0xE1;
+ static const int YXWX = 0x31;
+ static const int YXWY = 0x71;
+ static const int YXWZ = 0xB1;
+ static const int YXWW = 0xF1;
+ static const int YYXX = 0x5;
+ static const int YYXY = 0x45;
+ static const int YYXZ = 0x85;
+ static const int YYXW = 0xC5;
+ static const int YYYX = 0x15;
+ static const int YYYY = 0x55;
+ static const int YYYZ = 0x95;
+ static const int YYYW = 0xD5;
+ static const int YYZX = 0x25;
+ static const int YYZY = 0x65;
+ static const int YYZZ = 0xA5;
+ static const int YYZW = 0xE5;
+ static const int YYWX = 0x35;
+ static const int YYWY = 0x75;
+ static const int YYWZ = 0xB5;
+ static const int YYWW = 0xF5;
+ static const int YZXX = 0x9;
+ static const int YZXY = 0x49;
+ static const int YZXZ = 0x89;
+ static const int YZXW = 0xC9;
+ static const int YZYX = 0x19;
+ static const int YZYY = 0x59;
+ static const int YZYZ = 0x99;
+ static const int YZYW = 0xD9;
+ static const int YZZX = 0x29;
+ static const int YZZY = 0x69;
+ static const int YZZZ = 0xA9;
+ static const int YZZW = 0xE9;
+ static const int YZWX = 0x39;
+ static const int YZWY = 0x79;
+ static const int YZWZ = 0xB9;
+ static const int YZWW = 0xF9;
+ static const int YWXX = 0xD;
+ static const int YWXY = 0x4D;
+ static const int YWXZ = 0x8D;
+ static const int YWXW = 0xCD;
+ static const int YWYX = 0x1D;
+ static const int YWYY = 0x5D;
+ static const int YWYZ = 0x9D;
+ static const int YWYW = 0xDD;
+ static const int YWZX = 0x2D;
+ static const int YWZY = 0x6D;
+ static const int YWZZ = 0xAD;
+ static const int YWZW = 0xED;
+ static const int YWWX = 0x3D;
+ static const int YWWY = 0x7D;
+ static const int YWWZ = 0xBD;
+ static const int YWWW = 0xFD;
+ static const int ZXXX = 0x2;
+ static const int ZXXY = 0x42;
+ static const int ZXXZ = 0x82;
+ static const int ZXXW = 0xC2;
+ static const int ZXYX = 0x12;
+ static const int ZXYY = 0x52;
+ static const int ZXYZ = 0x92;
+ static const int ZXYW = 0xD2;
+ static const int ZXZX = 0x22;
+ static const int ZXZY = 0x62;
+ static const int ZXZZ = 0xA2;
+ static const int ZXZW = 0xE2;
+ static const int ZXWX = 0x32;
+ static const int ZXWY = 0x72;
+ static const int ZXWZ = 0xB2;
+ static const int ZXWW = 0xF2;
+ static const int ZYXX = 0x6;
+ static const int ZYXY = 0x46;
+ static const int ZYXZ = 0x86;
+ static const int ZYXW = 0xC6;
+ static const int ZYYX = 0x16;
+ static const int ZYYY = 0x56;
+ static const int ZYYZ = 0x96;
+ static const int ZYYW = 0xD6;
+ static const int ZYZX = 0x26;
+ static const int ZYZY = 0x66;
+ static const int ZYZZ = 0xA6;
+ static const int ZYZW = 0xE6;
+ static const int ZYWX = 0x36;
+ static const int ZYWY = 0x76;
+ static const int ZYWZ = 0xB6;
+ static const int ZYWW = 0xF6;
+ static const int ZZXX = 0xA;
+ static const int ZZXY = 0x4A;
+ static const int ZZXZ = 0x8A;
+ static const int ZZXW = 0xCA;
+ static const int ZZYX = 0x1A;
+ static const int ZZYY = 0x5A;
+ static const int ZZYZ = 0x9A;
+ static const int ZZYW = 0xDA;
+ static const int ZZZX = 0x2A;
+ static const int ZZZY = 0x6A;
+ static const int ZZZZ = 0xAA;
+ static const int ZZZW = 0xEA;
+ static const int ZZWX = 0x3A;
+ static const int ZZWY = 0x7A;
+ static const int ZZWZ = 0xBA;
+ static const int ZZWW = 0xFA;
+ static const int ZWXX = 0xE;
+ static const int ZWXY = 0x4E;
+ static const int ZWXZ = 0x8E;
+ static const int ZWXW = 0xCE;
+ static const int ZWYX = 0x1E;
+ static const int ZWYY = 0x5E;
+ static const int ZWYZ = 0x9E;
+ static const int ZWYW = 0xDE;
+ static const int ZWZX = 0x2E;
+ static const int ZWZY = 0x6E;
+ static const int ZWZZ = 0xAE;
+ static const int ZWZW = 0xEE;
+ static const int ZWWX = 0x3E;
+ static const int ZWWY = 0x7E;
+ static const int ZWWZ = 0xBE;
+ static const int ZWWW = 0xFE;
+ static const int WXXX = 0x3;
+ static const int WXXY = 0x43;
+ static const int WXXZ = 0x83;
+ static const int WXXW = 0xC3;
+ static const int WXYX = 0x13;
+ static const int WXYY = 0x53;
+ static const int WXYZ = 0x93;
+ static const int WXYW = 0xD3;
+ static const int WXZX = 0x23;
+ static const int WXZY = 0x63;
+ static const int WXZZ = 0xA3;
+ static const int WXZW = 0xE3;
+ static const int WXWX = 0x33;
+ static const int WXWY = 0x73;
+ static const int WXWZ = 0xB3;
+ static const int WXWW = 0xF3;
+ static const int WYXX = 0x7;
+ static const int WYXY = 0x47;
+ static const int WYXZ = 0x87;
+ static const int WYXW = 0xC7;
+ static const int WYYX = 0x17;
+ static const int WYYY = 0x57;
+ static const int WYYZ = 0x97;
+ static const int WYYW = 0xD7;
+ static const int WYZX = 0x27;
+ static const int WYZY = 0x67;
+ static const int WYZZ = 0xA7;
+ static const int WYZW = 0xE7;
+ static const int WYWX = 0x37;
+ static const int WYWY = 0x77;
+ static const int WYWZ = 0xB7;
+ static const int WYWW = 0xF7;
+ static const int WZXX = 0xB;
+ static const int WZXY = 0x4B;
+ static const int WZXZ = 0x8B;
+ static const int WZXW = 0xCB;
+ static const int WZYX = 0x1B;
+ static const int WZYY = 0x5B;
+ static const int WZYZ = 0x9B;
+ static const int WZYW = 0xDB;
+ static const int WZZX = 0x2B;
+ static const int WZZY = 0x6B;
+ static const int WZZZ = 0xAB;
+ static const int WZZW = 0xEB;
+ static const int WZWX = 0x3B;
+ static const int WZWY = 0x7B;
+ static const int WZWZ = 0xBB;
+ static const int WZWW = 0xFB;
+ static const int WWXX = 0xF;
+ static const int WWXY = 0x4F;
+ static const int WWXZ = 0x8F;
+ static const int WWXW = 0xCF;
+ static const int WWYX = 0x1F;
+ static const int WWYY = 0x5F;
+ static const int WWYZ = 0x9F;
+ static const int WWYW = 0xDF;
+ static const int WWZX = 0x2F;
+ static const int WWZY = 0x6F;
+ static const int WWZZ = 0xAF;
+ static const int WWZW = 0xEF;
+ static const int WWWX = 0x3F;
+ static const int WWWY = 0x7F;
+ static const int WWWZ = 0xBF;
+ static const int WWWW = 0xFF;
+
+ /// Shuffle the lane values. [mask] must be one of the 256 shuffle constants.
+ Int32x4 shuffle(int mask) {
+ if ((mask < 0) || (mask > 255)) {
+ throw new RangeError('mask $mask must be in the range [0..256)');
+ }
+ int _x = _storage[mask & 0x3];
+ int _y = _storage[(mask >> 2) & 0x3];
+ int _z = _storage[(mask >> 4) & 0x3];
+ int _w = _storage[(mask >> 6) & 0x3];
+ return new Int32x4(_x, _y, _z, _w);
+ }
+
+ /// Shuffle the lane values in [this] and [other]. The returned
+ /// Int32x4 will have XY lanes from [this] and ZW lanes from [other].
+ /// Uses the same [mask] as [shuffle].
+ Int32x4 shuffleMix(Int32x4 other, int mask) {
+ if ((mask < 0) || (mask > 255)) {
+ throw new RangeError('mask $mask must be in the range [0..256)');
+ }
+ int _x = _storage[mask & 0x3];
+ int _y = _storage[(mask >> 2) & 0x3];
+ int _z = other._storage[(mask >> 4) & 0x3];
+ int _w = other._storage[(mask >> 6) & 0x3];
+ return new Int32x4(_x, _y, _z, _w);
+ }
+
+ /// Returns a new [Int32x4] copied from [this] with a new x value.
+ Int32x4 withX(int x) {
+ int _x = x;
+ int _y = _storage[1];
+ int _z = _storage[2];
+ int _w = _storage[3];
+ return new Int32x4(_x, _y, _z, _w);
+ }
+
+ /// Returns a new [Int32x4] copied from [this] with a new y value.
+ Int32x4 withY(int y) {
+ int _x = _storage[0];
+ int _y = y;
+ int _z = _storage[2];
+ int _w = _storage[3];
+ return new Int32x4(_x, _y, _z, _w);
+ }
+
+ /// Returns a new [Int32x4] copied from [this] with a new z value.
+ Int32x4 withZ(int z) {
+ int _x = _storage[0];
+ int _y = _storage[1];
+ int _z = z;
+ int _w = _storage[3];
+ return new Int32x4(_x, _y, _z, _w);
+ }
+
+ /// Returns a new [Int32x4] copied from [this] with a new w value.
+ Int32x4 withW(int w) {
+ int _x = _storage[0];
+ int _y = _storage[1];
+ int _z = _storage[2];
+ int _w = w;
+ return new Int32x4(_x, _y, _z, _w);
+ }
+
+ /// Extracted x value. Returns false for 0, true for any other value.
+ bool get flagX => _storage[0] != 0x0;
+ /// Extracted y value. Returns false for 0, true for any other value.
+ bool get flagY => _storage[1] != 0x0;
+ /// Extracted z value. Returns false for 0, true for any other value.
+ bool get flagZ => _storage[2] != 0x0;
+ /// Extracted w value. Returns false for 0, true for any other value.
+ bool get flagW => _storage[3] != 0x0;
+
+ /// Returns a new [Int32x4] copied from [this] with a new x value.
+ Int32x4 withFlagX(bool x) {
+ int _x = x == true ? 0xFFFFFFFF : 0x0;
+ int _y = _storage[1];
+ int _z = _storage[2];
+ int _w = _storage[3];
+ return new Int32x4(_x, _y, _z, _w);
+ }
+
+ /// Returns a new [Int32x4] copied from [this] with a new y value.
+ Int32x4 withFlagY(bool y) {
+ int _x = _storage[0];
+ int _y = y == true ? 0xFFFFFFFF : 0x0;
+ int _z = _storage[2];
+ int _w = _storage[3];
+ return new Int32x4(_x, _y, _z, _w);
+ }
+
+ /// Returns a new [Int32x4] copied from [this] with a new z value.
+ Int32x4 withFlagZ(bool z) {
+ int _x = _storage[0];
+ int _y = _storage[1];
+ int _z = z == true ? 0xFFFFFFFF : 0x0;
+ int _w = _storage[3];
+ return new Int32x4(_x, _y, _z, _w);
+ }
+
+ /// Returns a new [Int32x4] copied from [this] with a new w value.
+ Int32x4 withFlagW(bool w) {
+ int _x = _storage[0];
+ int _y = _storage[1];
+ int _z = _storage[2];
+ int _w = w == true ? 0xFFFFFFFF : 0x0;
+ return new Int32x4(_x, _y, _z, _w);
+ }
+
+ /// Merge [trueValue] and [falseValue] based on [this]' bit mask:
+ /// Select bit from [trueValue] when bit in [this] is on.
+ /// Select bit from [falseValue] when bit in [this] is off.
+ Float32x4 select(Float32x4 trueValue, Float32x4 falseValue) {
+ var trueView = new Int32List.view(trueValue._storage.buffer);
+ var falseView = new Int32List.view(falseValue._storage.buffer);
+ int cmx = _storage[0];
+ int cmy = _storage[1];
+ int cmz = _storage[2];
+ int cmw = _storage[3];
+ int stx = trueView[0];
+ int sty = trueView[1];
+ int stz = trueView[2];
+ int stw = trueView[3];
+ int sfx = falseView[0];
+ int sfy = falseView[1];
+ int sfz = falseView[2];
+ int sfw = falseView[3];
+ int _x = (cmx & stx) | (~cmx & sfx);
+ int _y = (cmy & sty) | (~cmy & sfy);
+ int _z = (cmz & stz) | (~cmz & sfz);
+ int _w = (cmw & stw) | (~cmw & sfw);
+ var r = new Float32x4(0.0, 0.0, 0.0, 0.0);
+ var rView = new Int32List.view(r._storage.buffer);
+ rView[0] = _x;
+ rView[1] = _y;
+ rView[2] = _z;
+ rView[3] = _w;
+ return r;
+ }
+}
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