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// Copyright 2013 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
(function(global, utils) {
"use strict";
%CheckIsBootstrapping();
// -------------------------------------------------------------------
// Imports
// array.js has to come before typedarray.js for this to work
var ArrayToString = utils.ImportNow("ArrayToString");
var GetIterator;
var GetMethod;
var InnerArrayJoin;
var InnerArraySort;
var InnerArrayToLocaleString;
var InternalArray = utils.InternalArray;
var iteratorSymbol = utils.ImportNow("iterator_symbol");
macro TYPED_ARRAYS(FUNCTION)
FUNCTION(Uint8Array, 1)
FUNCTION(Int8Array, 1)
FUNCTION(Uint16Array, 2)
FUNCTION(Int16Array, 2)
FUNCTION(Uint32Array, 4)
FUNCTION(Int32Array, 4)
FUNCTION(Float32Array, 4)
FUNCTION(Float64Array, 8)
FUNCTION(Uint8ClampedArray, 1)
FUNCTION(BigUint64Array, 8)
FUNCTION(BigInt64Array, 8)
endmacro
macro DECLARE_GLOBALS(NAME, SIZE)
var GlobalNAME = global.NAME;
endmacro
TYPED_ARRAYS(DECLARE_GLOBALS)
macro IS_TYPEDARRAY(arg)
(%_IsTypedArray(arg))
endmacro
var GlobalTypedArray = %object_get_prototype_of(GlobalUint8Array);
utils.Import(function(from) {
GetIterator = from.GetIterator;
GetMethod = from.GetMethod;
InnerArrayJoin = from.InnerArrayJoin;
InnerArraySort = from.InnerArraySort;
InnerArrayToLocaleString = from.InnerArrayToLocaleString;
});
// --------------- Typed Arrays ---------------------
// ES6 section 22.2.3.5.1 ValidateTypedArray ( O )
function ValidateTypedArray(array, methodName) {
if (!IS_TYPEDARRAY(array)) throw %make_type_error(kNotTypedArray);
if (%_ArrayBufferViewWasNeutered(array))
throw %make_type_error(kDetachedOperation, methodName);
}
function TypedArrayCreate(constructor, arg0, arg1, arg2) {
if (IS_UNDEFINED(arg1)) {
var newTypedArray = new constructor(arg0);
} else {
var newTypedArray = new constructor(arg0, arg1, arg2);
}
ValidateTypedArray(newTypedArray, "TypedArrayCreate");
if (IS_NUMBER(arg0) && %_TypedArrayGetLength(newTypedArray) < arg0) {
throw %make_type_error(kTypedArrayTooShort);
}
return newTypedArray;
}
// ES6 draft 05-18-15, section 22.2.3.25
DEFINE_METHOD(
GlobalTypedArray.prototype,
sort(comparefn) {
ValidateTypedArray(this, "%TypedArray%.prototype.sort");
if (!IS_UNDEFINED(comparefn) && !IS_CALLABLE(comparefn)) {
throw %make_type_error(kBadSortComparisonFunction, comparefn);
}
var length = %_TypedArrayGetLength(this);
if (IS_UNDEFINED(comparefn)) {
return %TypedArraySortFast(this);
}
return InnerArraySort(this, length, comparefn);
}
);
// ES6 section 22.2.3.27
DEFINE_METHOD(
GlobalTypedArray.prototype,
toLocaleString() {
ValidateTypedArray(this, "%TypedArray%.prototype.toLocaleString");
var length = %_TypedArrayGetLength(this);
return InnerArrayToLocaleString(this, length);
}
);
// ES6 section 22.2.3.14
DEFINE_METHOD(
GlobalTypedArray.prototype,
join(separator) {
ValidateTypedArray(this, "%TypedArray%.prototype.join");
var length = %_TypedArrayGetLength(this);
return InnerArrayJoin(separator, this, length);
}
);
// TODO(bmeurer): Migrate this to a proper builtin.
function TypedArrayConstructor() {
throw %make_type_error(kConstructAbstractClass, "TypedArray");
}
// -------------------------------------------------------------------
%SetCode(GlobalTypedArray, TypedArrayConstructor);
%AddNamedProperty(GlobalTypedArray.prototype, "toString", ArrayToString,
DONT_ENUM);
})
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