| Index: src/macros.py
|
| diff --git a/src/macros.py b/src/macros.py
|
| index 1722c6c7de2151168469053d4215c31ae3bdd2b8..eeff450dd00a220e09c77142be74c88db10db693 100644
|
| --- a/src/macros.py
|
| +++ b/src/macros.py
|
| @@ -271,3 +271,143 @@ const PROPERTY_ATTRIBUTES_NONE = 0;
|
| const PROPERTY_ATTRIBUTES_STRING = 8;
|
| const PROPERTY_ATTRIBUTES_SYMBOLIC = 16;
|
| const PROPERTY_ATTRIBUTES_PRIVATE_SYMBOL = 32;
|
| +
|
| +# Typed Arrays
|
| +macro TYPED_ARRAY_CONSTRUCTOR(ARRAY_ID, NAME, ELEMENT_SIZE)
|
| + function NAMEConstructByArrayBuffer(obj, buffer, byteOffset, length) {
|
| + var bufferByteLength = buffer.byteLength;
|
| + var offset;
|
| + if (IS_UNDEFINED(byteOffset)) {
|
| + offset = 0;
|
| + } else {
|
| + offset = ToPositiveInteger(byteOffset, "invalid_typed_array_length");
|
| +
|
| + if (offset % ELEMENT_SIZE !== 0) {
|
| + throw MakeRangeError("invalid_typed_array_alignment",
|
| + "start offset", "NAME", ELEMENT_SIZE);
|
| + }
|
| + if (offset > bufferByteLength) {
|
| + throw MakeRangeError("invalid_typed_array_offset");
|
| + }
|
| + }
|
| +
|
| + var newByteLength;
|
| + var newLength;
|
| + if (IS_UNDEFINED(length)) {
|
| + if (bufferByteLength % ELEMENT_SIZE !== 0) {
|
| + throw MakeRangeError("invalid_typed_array_alignment",
|
| + "byte length", "NAME", ELEMENT_SIZE);
|
| + }
|
| + newByteLength = bufferByteLength - offset;
|
| + newLength = newByteLength / ELEMENT_SIZE;
|
| + } else {
|
| + var newLength = ToPositiveInteger(length, "invalid_typed_array_length");
|
| + newByteLength = newLength * ELEMENT_SIZE;
|
| + }
|
| + if ((offset + newByteLength > bufferByteLength)
|
| + || (newLength > %MaxSmi())) {
|
| + throw MakeRangeError("invalid_typed_array_length");
|
| + }
|
| + %TypedArrayInitialize(obj, ARRAY_ID, buffer, offset, newByteLength);
|
| + }
|
| +
|
| + function NAMEConstructByLength(obj, length) {
|
| + var l = IS_UNDEFINED(length) ?
|
| + 0 : ToPositiveInteger(length, "invalid_typed_array_length");
|
| + if (l > %MaxSmi()) {
|
| + throw MakeRangeError("invalid_typed_array_length");
|
| + }
|
| + var byteLength = l * ELEMENT_SIZE;
|
| + var buffer = new $ArrayBuffer(byteLength);
|
| + %TypedArrayInitialize(obj, ARRAY_ID, buffer, 0, byteLength);
|
| + }
|
| +
|
| + function NAMEConstructByArrayLike(obj, arrayLike) {
|
| + var length = arrayLike.length;
|
| + var l = ToPositiveInteger(length, "invalid_typed_array_length");
|
| + if (l > %MaxSmi()) {
|
| + throw MakeRangeError("invalid_typed_array_length");
|
| + }
|
| + if(!%TypedArrayInitializeFromArrayLike(obj, ARRAY_ID, arrayLike, l)) {
|
| + for (var i = 0; i < l; i++) {
|
| + // It is crucial that we let any execptions from arrayLike[i]
|
| + // propagate outside the function.
|
| + obj[i] = arrayLike[i];
|
| + }
|
| + }
|
| + }
|
| +
|
| + function NAMEConstructor(arg1, arg2, arg3) {
|
| +
|
| + if (%_IsConstructCall()) {
|
| + if (IS_ARRAYBUFFER(arg1)) {
|
| + NAMEConstructByArrayBuffer(this, arg1, arg2, arg3);
|
| + } else if (IS_NUMBER(arg1) || IS_STRING(arg1) ||
|
| + IS_BOOLEAN(arg1) || IS_UNDEFINED(arg1)) {
|
| + NAMEConstructByLength(this, arg1);
|
| + } else {
|
| + NAMEConstructByArrayLike(this, arg1);
|
| + }
|
| + } else {
|
| + throw MakeTypeError("constructor_not_function", ["NAME"])
|
| + }
|
| + }
|
| +endmacro
|
| +
|
| +macro SETUP_TYPED_ARRAY(ARRAY_ID, NAME, ELEMENT_SIZE)
|
| + SetupTypedArray (global.NAME, NAMEConstructor, ELEMENT_SIZE);
|
| +endmacro
|
| +
|
| +macro TYPED_ARRAYS(FUNCTION)
|
| +// arrayIds below should be synchronized with Runtime_TypedArrayInitialize.
|
| +FUNCTION(1, Uint8Array, 1)
|
| +FUNCTION(2, Int8Array, 1)
|
| +FUNCTION(3, Uint16Array, 2)
|
| +FUNCTION(4, Int16Array, 2)
|
| +FUNCTION(5, Uint32Array, 4)
|
| +FUNCTION(6, Int32Array, 4)
|
| +FUNCTION(7, Float32Array, 4)
|
| +FUNCTION(8, Float64Array, 8)
|
| +FUNCTION(9, Uint8ClampedArray, 1)
|
| +endmacro
|
| +
|
| +# DataView
|
| +macro DATA_VIEW_GETTER_SETTER(TYPENAME)
|
| +function DataViewGetTYPENAME(offset, little_endian) {
|
| + if (!IS_DATAVIEW(this)) {
|
| + throw MakeTypeError('incompatible_method_receiver',
|
| + ['DataView.getTYPENAME', this]);
|
| + }
|
| + if (%_ArgumentsLength() < 1) {
|
| + throw MakeTypeError('invalid_argument');
|
| + }
|
| + return %DataViewGetTYPENAME(this,
|
| + ToPositiveDataViewOffset(offset),
|
| + !!little_endian);
|
| +}
|
| +
|
| +function DataViewSetTYPENAME(offset, value, little_endian) {
|
| + if (!IS_DATAVIEW(this)) {
|
| + throw MakeTypeError('incompatible_method_receiver',
|
| + ['DataView.setTYPENAME', this]);
|
| + }
|
| + if (%_ArgumentsLength() < 2) {
|
| + throw MakeTypeError('invalid_argument');
|
| + }
|
| + %DataViewSetTYPENAME(this,
|
| + ToPositiveDataViewOffset(offset),
|
| + TO_NUMBER_INLINE(value),
|
| + !!little_endian);
|
| +}
|
| +endmacro
|
| +
|
| +macro DATA_VIEW_TYPES(FUNCTION)
|
| + FUNCTION(Int8)
|
| + FUNCTION(Uint8)
|
| + FUNCTION(Int16)
|
| + FUNCTION(Uint16)
|
| + FUNCTION(Int32)
|
| + FUNCTION(Uint32)
|
| + FUNCTION(Float32)
|
| + FUNCTION(Float64)
|
| +endmacro
|
|
|