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Unified Diff: src/harmony-typedarray.js

Issue 1398733002: Move builtin JavaScript sources into own directory. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Also move macros.py file. Created 5 years, 2 months ago
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Index: src/harmony-typedarray.js
diff --git a/src/harmony-typedarray.js b/src/harmony-typedarray.js
deleted file mode 100644
index 45e66fddcff389813ea4e470848df7f2b6a7b777..0000000000000000000000000000000000000000
--- a/src/harmony-typedarray.js
+++ /dev/null
@@ -1,412 +0,0 @@
-// Copyright 2014 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
-
-macro TYPED_ARRAYS(FUNCTION)
-// arrayIds below should be synchronized with Runtime_TypedArrayInitialize.
-FUNCTION(Uint8Array)
-FUNCTION(Int8Array)
-FUNCTION(Uint16Array)
-FUNCTION(Int16Array)
-FUNCTION(Uint32Array)
-FUNCTION(Int32Array)
-FUNCTION(Float32Array)
-FUNCTION(Float64Array)
-FUNCTION(Uint8ClampedArray)
-endmacro
-
-macro DECLARE_GLOBALS(NAME)
-var GlobalNAME = global.NAME;
-endmacro
-
-TYPED_ARRAYS(DECLARE_GLOBALS)
-DECLARE_GLOBALS(Array)
-
-var ArrayFrom;
-var ArrayToString;
-var InnerArrayCopyWithin;
-var InnerArrayEvery;
-var InnerArrayFill;
-var InnerArrayFilter;
-var InnerArrayFind;
-var InnerArrayFindIndex;
-var InnerArrayForEach;
-var InnerArrayIndexOf;
-var InnerArrayJoin;
-var InnerArrayLastIndexOf;
-var InnerArrayMap;
-var InnerArraySome;
-var InnerArraySort;
-var InnerArrayToLocaleString;
-var IsNaN;
-var MathMax;
-var MathMin;
-var PackedArrayReverse;
-
-utils.Import(function(from) {
- ArrayFrom = from.ArrayFrom;
- ArrayToString = from.ArrayToString;
- InnerArrayCopyWithin = from.InnerArrayCopyWithin;
- InnerArrayEvery = from.InnerArrayEvery;
- InnerArrayFill = from.InnerArrayFill;
- InnerArrayFilter = from.InnerArrayFilter;
- InnerArrayFind = from.InnerArrayFind;
- InnerArrayFindIndex = from.InnerArrayFindIndex;
- InnerArrayForEach = from.InnerArrayForEach;
- InnerArrayIndexOf = from.InnerArrayIndexOf;
- InnerArrayJoin = from.InnerArrayJoin;
- InnerArrayLastIndexOf = from.InnerArrayLastIndexOf;
- InnerArrayMap = from.InnerArrayMap;
- InnerArrayReduce = from.InnerArrayReduce;
- InnerArrayReduceRight = from.InnerArrayReduceRight;
- InnerArraySome = from.InnerArraySome;
- InnerArraySort = from.InnerArraySort;
- InnerArrayToLocaleString = from.InnerArrayToLocaleString;
- IsNaN = from.IsNaN;
- MathMax = from.MathMax;
- MathMin = from.MathMin;
- PackedArrayReverse = from.PackedArrayReverse;
-});
-
-// -------------------------------------------------------------------
-
-function ConstructTypedArray(constructor, arg) {
- // TODO(littledan): This is an approximation of the spec, which requires
- // that only real TypedArray classes should be accepted (22.2.2.1.1)
- if (!%IsConstructor(constructor) || IS_UNDEFINED(constructor.prototype) ||
- !%HasOwnProperty(constructor.prototype, "BYTES_PER_ELEMENT")) {
- throw MakeTypeError(kNotTypedArray);
- }
-
- // TODO(littledan): The spec requires that, rather than directly calling
- // the constructor, a TypedArray is created with the proper proto and
- // underlying size and element size, and elements are put in one by one.
- // By contrast, this would allow subclasses to make a radically different
- // constructor with different semantics.
- return new constructor(arg);
-}
-
-function ConstructTypedArrayLike(typedArray, arg) {
- // TODO(littledan): The spec requires that we actuallly use
- // typedArray.constructor[Symbol.species] (bug v8:4093)
- // Also, it should default to the default constructor from
- // table 49 if typedArray.constructor doesn't exist.
- return ConstructTypedArray(typedArray.constructor, arg);
-}
-
-function TypedArrayCopyWithin(target, start, end) {
- if (!%_IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
-
- // TODO(littledan): Replace with a memcpy for better performance
- return InnerArrayCopyWithin(target, start, end, this, length);
-}
-%FunctionSetLength(TypedArrayCopyWithin, 2);
-
-// ES6 draft 05-05-15, section 22.2.3.7
-function TypedArrayEvery(f, receiver) {
- if (!%_IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
-
- return InnerArrayEvery(f, receiver, this, length);
-}
-%FunctionSetLength(TypedArrayEvery, 1);
-
-// ES6 draft 08-24-14, section 22.2.3.12
-function TypedArrayForEach(f, receiver) {
- if (!%_IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
-
- InnerArrayForEach(f, receiver, this, length);
-}
-%FunctionSetLength(TypedArrayForEach, 1);
-
-// ES6 draft 04-05-14 section 22.2.3.8
-function TypedArrayFill(value, start, end) {
- if (!%_IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
-
- return InnerArrayFill(value, start, end, this, length);
-}
-%FunctionSetLength(TypedArrayFill, 1);
-
-// ES6 draft 07-15-13, section 22.2.3.9
-function TypedArrayFilter(predicate, thisArg) {
- if (!%_IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
- var array = InnerArrayFilter(predicate, thisArg, this, length);
- return ConstructTypedArrayLike(this, array);
-}
-%FunctionSetLength(TypedArrayFilter, 1);
-
-// ES6 draft 07-15-13, section 22.2.3.10
-function TypedArrayFind(predicate, thisArg) {
- if (!%_IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
-
- return InnerArrayFind(predicate, thisArg, this, length);
-}
-%FunctionSetLength(TypedArrayFind, 1);
-
-// ES6 draft 07-15-13, section 22.2.3.11
-function TypedArrayFindIndex(predicate, thisArg) {
- if (!%_IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
-
- return InnerArrayFindIndex(predicate, thisArg, this, length);
-}
-%FunctionSetLength(TypedArrayFindIndex, 1);
-
-// ES6 draft 05-18-15, section 22.2.3.21
-function TypedArrayReverse() {
- if (!%_IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
-
- return PackedArrayReverse(this, length);
-}
-
-
-function TypedArrayComparefn(x, y) {
- if (IsNaN(x) && IsNaN(y)) {
- return IsNaN(y) ? 0 : 1;
- }
- if (IsNaN(x)) {
- return 1;
- }
- if (x === 0 && x === y) {
- if (%_IsMinusZero(x)) {
- if (!%_IsMinusZero(y)) {
- return -1;
- }
- } else if (%_IsMinusZero(y)) {
- return 1;
- }
- }
- return x - y;
-}
-
-
-// ES6 draft 05-18-15, section 22.2.3.25
-function TypedArraySort(comparefn) {
- if (!%_IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
-
- if (IS_UNDEFINED(comparefn)) {
- comparefn = TypedArrayComparefn;
- }
-
- return InnerArraySort(this, length, comparefn);
-}
-
-
-// ES6 section 22.2.3.13
-function TypedArrayIndexOf(element, index) {
- if (!%_IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
- return InnerArrayIndexOf(this, element, index, length);
-}
-%FunctionSetLength(TypedArrayIndexOf, 1);
-
-
-// ES6 section 22.2.3.16
-function TypedArrayLastIndexOf(element, index) {
- if (!%_IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
-
- return InnerArrayLastIndexOf(this, element, index, length,
- %_ArgumentsLength());
-}
-%FunctionSetLength(TypedArrayLastIndexOf, 1);
-
-
-// ES6 draft 07-15-13, section 22.2.3.18
-function TypedArrayMap(predicate, thisArg) {
- if (!%_IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- // TODO(littledan): Preallocate rather than making an intermediate
- // InternalArray, for better performance.
- var length = %_TypedArrayGetLength(this);
- var array = InnerArrayMap(predicate, thisArg, this, length);
- return ConstructTypedArrayLike(this, array);
-}
-%FunctionSetLength(TypedArrayMap, 1);
-
-
-// ES6 draft 05-05-15, section 22.2.3.24
-function TypedArraySome(f, receiver) {
- if (!%_IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
-
- return InnerArraySome(f, receiver, this, length);
-}
-%FunctionSetLength(TypedArraySome, 1);
-
-
-// ES6 section 22.2.3.27
-function TypedArrayToLocaleString() {
- if (!%_IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
-
- return InnerArrayToLocaleString(this, length);
-}
-
-
-// ES6 section 22.2.3.28
-function TypedArrayToString() {
- return %_Call(ArrayToString, this);
-}
-
-
-// ES6 section 22.2.3.14
-function TypedArrayJoin(separator) {
- if (!%_IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
-
- return InnerArrayJoin(separator, this, length);
-}
-
-
-// ES6 draft 07-15-13, section 22.2.3.19
-function TypedArrayReduce(callback, current) {
- if (!%_IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
- return InnerArrayReduce(callback, current, this, length,
- %_ArgumentsLength());
-}
-%FunctionSetLength(TypedArrayReduce, 1);
-
-
-// ES6 draft 07-15-13, section 22.2.3.19
-function TypedArrayReduceRight(callback, current) {
- if (!%_IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
- return InnerArrayReduceRight(callback, current, this, length,
- %_ArgumentsLength());
-}
-%FunctionSetLength(TypedArrayReduceRight, 1);
-
-
-function TypedArraySlice(start, end) {
- if (!%_IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
- var len = %_TypedArrayGetLength(this);
-
- var relativeStart = TO_INTEGER(start);
-
- var k;
- if (relativeStart < 0) {
- k = MathMax(len + relativeStart, 0);
- } else {
- k = MathMin(relativeStart, len);
- }
-
- var relativeEnd;
- if (IS_UNDEFINED(end)) {
- relativeEnd = len;
- } else {
- relativeEnd = TO_INTEGER(end);
- }
-
- var final;
- if (relativeEnd < 0) {
- final = MathMax(len + relativeEnd, 0);
- } else {
- final = MathMin(relativeEnd, len);
- }
-
- var count = MathMax(final - k, 0);
- var array = ConstructTypedArrayLike(this, count);
- // The code below is the 'then' branch; the 'else' branch species
- // a memcpy. Because V8 doesn't canonicalize NaN, the difference is
- // unobservable.
- var n = 0;
- while (k < final) {
- var kValue = this[k];
- // TODO(littledan): The spec says to throw on an error in setting;
- // does this throw?
- array[n] = kValue;
- k++;
- n++;
- }
- return array;
-}
-
-
-// ES6 draft 08-24-14, section 22.2.2.2
-function TypedArrayOf() {
- var length = %_ArgumentsLength();
- var array = new this(length);
- for (var i = 0; i < length; i++) {
- array[i] = %_Arguments(i);
- }
- return array;
-}
-
-
-function TypedArrayFrom(source, mapfn, thisArg) {
- // TODO(littledan): Investigate if there is a receiver which could be
- // faster to accumulate on than Array, e.g., a TypedVector.
- var array = %_Call(ArrayFrom, GlobalArray, source, mapfn, thisArg);
- return ConstructTypedArray(this, array);
-}
-%FunctionSetLength(TypedArrayFrom, 1);
-
-// TODO(littledan): Fix the TypedArray proto chain (bug v8:4085).
-macro EXTEND_TYPED_ARRAY(NAME)
- // Set up non-enumerable functions on the object.
- utils.InstallFunctions(GlobalNAME, DONT_ENUM | DONT_DELETE | READ_ONLY, [
- "from", TypedArrayFrom,
- "of", TypedArrayOf
- ]);
-
- // Set up non-enumerable functions on the prototype object.
- utils.InstallFunctions(GlobalNAME.prototype, DONT_ENUM, [
- "copyWithin", TypedArrayCopyWithin,
- "every", TypedArrayEvery,
- "fill", TypedArrayFill,
- "filter", TypedArrayFilter,
- "find", TypedArrayFind,
- "findIndex", TypedArrayFindIndex,
- "indexOf", TypedArrayIndexOf,
- "join", TypedArrayJoin,
- "lastIndexOf", TypedArrayLastIndexOf,
- "forEach", TypedArrayForEach,
- "map", TypedArrayMap,
- "reduce", TypedArrayReduce,
- "reduceRight", TypedArrayReduceRight,
- "reverse", TypedArrayReverse,
- "slice", TypedArraySlice,
- "some", TypedArraySome,
- "sort", TypedArraySort,
- "toString", TypedArrayToString,
- "toLocaleString", TypedArrayToLocaleString
- ]);
-endmacro
-
-TYPED_ARRAYS(EXTEND_TYPED_ARRAY)
-
-})
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