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feat: enable Float16Array support (#23490)

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Closes https://github.com/denoland/deno/issues/23450
This commit is contained in:
Bartek Iwańczuk 2024-04-23 16:18:27 +01:00 committed by GitHub
parent 5236fd0dad
commit b0d3b20f23
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6 changed files with 576 additions and 29 deletions
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2
cli/main.rs
View file

@ -385,7 +385,7 @@ fn resolve_flags_and_init(
// Using same default as VSCode:
// https://github.com/microsoft/vscode/blob/48d4ba271686e8072fc6674137415bc80d936bc7/extensions/typescript-language-features/src/configuration/configuration.ts#L213-L214
DenoSubcommand::Lsp => vec!["--max-old-space-size=3072".to_string()],
_ => vec![],
_ => vec!["--js-float16array".to_string()],
};
init_v8_flags(&default_v8_flags, &flags.v8_flags, get_v8_flags_from_env());

503
cli/tsc/dts/lib.deno.unstable.d.ts vendored
View file

@ -4348,3 +4348,506 @@ declare namespace Intl {
timeStyle?: "full" | "long" | "medium" | "short";
}
}
/**
* A typed array of 16-bit float values. The contents are initialized to 0. If the requested number
* of bytes could not be allocated an exception is raised.
*/
interface Float16Array {
/**
* The size in bytes of each element in the array.
*/
readonly BYTES_PER_ELEMENT: number;
/**
* The ArrayBuffer instance referenced by the array.
*/
readonly buffer: ArrayBufferLike;
/**
* The length in bytes of the array.
*/
readonly byteLength: number;
/**
* The offset in bytes of the array.
*/
readonly byteOffset: number;
/**
* Returns the this object after copying a section of the array identified by start and end
* to the same array starting at position target
* @param target If target is negative, it is treated as length+target where length is the
* length of the array.
* @param start If start is negative, it is treated as length+start. If end is negative, it
* is treated as length+end.
* @param end If not specified, length of the this object is used as its default value.
*/
copyWithin(target: number, start: number, end?: number): this;
/**
* Determines whether all the members of an array satisfy the specified test.
* @param predicate A function that accepts up to three arguments. The every method calls
* the predicate function for each element in the array until the predicate returns a value
* which is coercible to the Boolean value false, or until the end of the array.
* @param thisArg An object to which the this keyword can refer in the predicate function.
* If thisArg is omitted, undefined is used as the this value.
*/
every(
predicate: (value: number, index: number, array: Float16Array) => unknown,
thisArg?: any,
): boolean;
/**
* Changes all array elements from `start` to `end` index to a static `value` and returns the modified array
* @param value value to fill array section with
* @param start index to start filling the array at. If start is negative, it is treated as
* length+start where length is the length of the array.
* @param end index to stop filling the array at. If end is negative, it is treated as
* length+end.
*/
fill(value: number, start?: number, end?: number): this;
/**
* Returns the elements of an array that meet the condition specified in a callback function.
* @param predicate A function that accepts up to three arguments. The filter method calls
* the predicate function one time for each element in the array.
* @param thisArg An object to which the this keyword can refer in the predicate function.
* If thisArg is omitted, undefined is used as the this value.
*/
filter(
predicate: (value: number, index: number, array: Float16Array) => any,
thisArg?: any,
): Float16Array;
/**
* Returns the value of the first element in the array where predicate is true, and undefined
* otherwise.
* @param predicate find calls predicate once for each element of the array, in ascending
* order, until it finds one where predicate returns true. If such an element is found, find
* immediately returns that element value. Otherwise, find returns undefined.
* @param thisArg If provided, it will be used as the this value for each invocation of
* predicate. If it is not provided, undefined is used instead.
*/
find(
predicate: (value: number, index: number, obj: Float16Array) => boolean,
thisArg?: any,
): number | undefined;
/**
* Returns the index of the first element in the array where predicate is true, and -1
* otherwise.
* @param predicate find calls predicate once for each element of the array, in ascending
* order, until it finds one where predicate returns true. If such an element is found,
* findIndex immediately returns that element index. Otherwise, findIndex returns -1.
* @param thisArg If provided, it will be used as the this value for each invocation of
* predicate. If it is not provided, undefined is used instead.
*/
findIndex(
predicate: (value: number, index: number, obj: Float16Array) => boolean,
thisArg?: any,
): number;
/**
* Performs the specified action for each element in an array.
* @param callbackfn A function that accepts up to three arguments. forEach calls the
* callbackfn function one time for each element in the array.
* @param thisArg An object to which the this keyword can refer in the callbackfn function.
* If thisArg is omitted, undefined is used as the this value.
*/
forEach(
callbackfn: (value: number, index: number, array: Float16Array) => void,
thisArg?: any,
): void;
/**
* Returns the index of the first occurrence of a value in an array.
* @param searchElement The value to locate in the array.
* @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the
* search starts at index 0.
*/
indexOf(searchElement: number, fromIndex?: number): number;
/**
* Adds all the elements of an array separated by the specified separator string.
* @param separator A string used to separate one element of an array from the next in the
* resulting String. If omitted, the array elements are separated with a comma.
*/
join(separator?: string): string;
/**
* Returns the index of the last occurrence of a value in an array.
* @param searchElement The value to locate in the array.
* @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the
* search starts at index 0.
*/
lastIndexOf(searchElement: number, fromIndex?: number): number;
/**
* The length of the array.
*/
readonly length: number;
/**
* Calls a defined callback function on each element of an array, and returns an array that
* contains the results.
* @param callbackfn A function that accepts up to three arguments. The map method calls the
* callbackfn function one time for each element in the array.
* @param thisArg An object to which the this keyword can refer in the callbackfn function.
* If thisArg is omitted, undefined is used as the this value.
*/
map(
callbackfn: (value: number, index: number, array: Float16Array) => number,
thisArg?: any,
): Float16Array;
/**
* Calls the specified callback function for all the elements in an array. The return value of
* the callback function is the accumulated result, and is provided as an argument in the next
* call to the callback function.
* @param callbackfn A function that accepts up to four arguments. The reduce method calls the
* callbackfn function one time for each element in the array.
* @param initialValue If initialValue is specified, it is used as the initial value to start
* the accumulation. The first call to the callbackfn function provides this value as an argument
* instead of an array value.
*/
reduce(
callbackfn: (
previousValue: number,
currentValue: number,
currentIndex: number,
array: Float16Array,
) => number,
): number;
reduce(
callbackfn: (
previousValue: number,
currentValue: number,
currentIndex: number,
array: Float16Array,
) => number,
initialValue: number,
): number;
/**
* Calls the specified callback function for all the elements in an array. The return value of
* the callback function is the accumulated result, and is provided as an argument in the next
* call to the callback function.
* @param callbackfn A function that accepts up to four arguments. The reduce method calls the
* callbackfn function one time for each element in the array.
* @param initialValue If initialValue is specified, it is used as the initial value to start
* the accumulation. The first call to the callbackfn function provides this value as an argument
* instead of an array value.
*/
reduce<U>(
callbackfn: (
previousValue: U,
currentValue: number,
currentIndex: number,
array: Float16Array,
) => U,
initialValue: U,
): U;
/**
* Calls the specified callback function for all the elements in an array, in descending order.
* The return value of the callback function is the accumulated result, and is provided as an
* argument in the next call to the callback function.
* @param callbackfn A function that accepts up to four arguments. The reduceRight method calls
* the callbackfn function one time for each element in the array.
* @param initialValue If initialValue is specified, it is used as the initial value to start
* the accumulation. The first call to the callbackfn function provides this value as an
* argument instead of an array value.
*/
reduceRight(
callbackfn: (
previousValue: number,
currentValue: number,
currentIndex: number,
array: Float16Array,
) => number,
): number;
reduceRight(
callbackfn: (
previousValue: number,
currentValue: number,
currentIndex: number,
array: Float16Array,
) => number,
initialValue: number,
): number;
/**
* Calls the specified callback function for all the elements in an array, in descending order.
* The return value of the callback function is the accumulated result, and is provided as an
* argument in the next call to the callback function.
* @param callbackfn A function that accepts up to four arguments. The reduceRight method calls
* the callbackfn function one time for each element in the array.
* @param initialValue If initialValue is specified, it is used as the initial value to start
* the accumulation. The first call to the callbackfn function provides this value as an argument
* instead of an array value.
*/
reduceRight<U>(
callbackfn: (
previousValue: U,
currentValue: number,
currentIndex: number,
array: Float16Array,
) => U,
initialValue: U,
): U;
/**
* Reverses the elements in an Array.
*/
reverse(): Float16Array;
/**
* Sets a value or an array of values.
* @param array A typed or untyped array of values to set.
* @param offset The index in the current array at which the values are to be written.
*/
set(array: ArrayLike<number>, offset?: number): void;
/**
* Returns a section of an array.
* @param start The beginning of the specified portion of the array.
* @param end The end of the specified portion of the array. This is exclusive of the element at the index 'end'.
*/
slice(start?: number, end?: number): Float16Array;
/**
* Determines whether the specified callback function returns true for any element of an array.
* @param predicate A function that accepts up to three arguments. The some method calls
* the predicate function for each element in the array until the predicate returns a value
* which is coercible to the Boolean value true, or until the end of the array.
* @param thisArg An object to which the this keyword can refer in the predicate function.
* If thisArg is omitted, undefined is used as the this value.
*/
some(
predicate: (value: number, index: number, array: Float16Array) => unknown,
thisArg?: any,
): boolean;
/**
* Sorts an array.
* @param compareFn Function used to determine the order of the elements. It is expected to return
* a negative value if first argument is less than second argument, zero if they're equal and a positive
* value otherwise. If omitted, the elements are sorted in ascending order.
* ```ts
* [11,2,22,1].sort((a, b) => a - b)
* ```
*/
sort(compareFn?: (a: number, b: number) => number): this;
/**
* Gets a new Float16Array view of the ArrayBuffer store for this array, referencing the elements
* at begin, inclusive, up to end, exclusive.
* @param begin The index of the beginning of the array.
* @param end The index of the end of the array.
*/
subarray(begin?: number, end?: number): Float16Array;
/**
* Converts a number to a string by using the current locale.
*/
toLocaleString(): string;
/**
* Returns a string representation of an array.
*/
toString(): string;
/** Returns the primitive value of the specified object. */
valueOf(): Float16Array;
[index: number]: number;
}
interface Float16ArrayConstructor {
readonly prototype: Float16Array;
new (length: number): Float16Array;
new (array: ArrayLike<number> | ArrayBufferLike): Float16Array;
new (
buffer: ArrayBufferLike,
byteOffset?: number,
length?: number,
): Float16Array;
/**
* The size in bytes of each element in the array.
*/
readonly BYTES_PER_ELEMENT: number;
/**
* Returns a new array from a set of elements.
* @param items A set of elements to include in the new array object.
*/
of(...items: number[]): Float16Array;
/**
* Creates an array from an array-like or iterable object.
* @param arrayLike An array-like or iterable object to convert to an array.
*/
from(arrayLike: ArrayLike<number>): Float16Array;
/**
* Creates an array from an array-like or iterable object.
* @param arrayLike An array-like or iterable object to convert to an array.
* @param mapfn A mapping function to call on every element of the array.
* @param thisArg Value of 'this' used to invoke the mapfn.
*/
from<T>(
arrayLike: ArrayLike<T>,
mapfn: (v: T, k: number) => number,
thisArg?: any,
): Float16Array;
}
declare var Float16Array: Float16ArrayConstructor;
interface Float16 {
[Symbol.iterator](): IterableIterator<number>;
/**
* Returns an array of key, value pairs for every entry in the array
*/
entries(): IterableIterator<[number, number]>;
/**
* Returns an list of keys in the array
*/
keys(): IterableIterator<number>;
/**
* Returns an list of values in the array
*/
values(): IterableIterator<number>;
}
interface Float16Constructor {
new (elements: Iterable<number>): Float16;
/**
* Creates an array from an array-like or iterable object.
* @param arrayLike An array-like or iterable object to convert to an array.
* @param mapfn A mapping function to call on every element of the array.
* @param thisArg Value of 'this' used to invoke the mapfn.
*/
from(
arrayLike: Iterable<number>,
mapfn?: (v: number, k: number) => number,
thisArg?: any,
): Float16;
}
interface Float16Array {
readonly [Symbol.toStringTag]: "Float16Array";
}
interface Float16Array {
/**
* Determines whether an array includes a certain element, returning true or false as appropriate.
* @param searchElement The element to search for.
* @param fromIndex The position in this array at which to begin searching for searchElement.
*/
includes(searchElement: number, fromIndex?: number): boolean;
}
interface Float16ArrayConstructor {
new (): Float16Array;
}
interface Float16Array {
/**
* Returns the item located at the specified index.
* @param index The zero-based index of the desired code unit. A negative index will count back from the last item.
*/
at(index: number): number | undefined;
}
interface Float16Array {
/**
* Returns the value of the last element in the array where predicate is true, and undefined
* otherwise.
* @param predicate findLast calls predicate once for each element of the array, in descending
* order, until it finds one where predicate returns true. If such an element is found, findLast
* immediately returns that element value. Otherwise, findLast returns undefined.
* @param thisArg If provided, it will be used as the this value for each invocation of
* predicate. If it is not provided, undefined is used instead.
*/
findLast<S extends number>(
predicate: (
value: number,
index: number,
array: Float16Array,
) => value is S,
thisArg?: any,
): S | undefined;
findLast(
predicate: (
value: number,
index: number,
array: Float16Array,
) => unknown,
thisArg?: any,
): number | undefined;
/**
* Returns the index of the last element in the array where predicate is true, and -1
* otherwise.
* @param predicate findLastIndex calls predicate once for each element of the array, in descending
* order, until it finds one where predicate returns true. If such an element is found,
* findLastIndex immediately returns that element index. Otherwise, findLastIndex returns -1.
* @param thisArg If provided, it will be used as the this value for each invocation of
* predicate. If it is not provided, undefined is used instead.
*/
findLastIndex(
predicate: (
value: number,
index: number,
array: Float16Array,
) => unknown,
thisArg?: any,
): number;
/**
* Copies the array and returns the copy with the elements in reverse order.
*/
toReversed(): Float16Array;
/**
* Copies and sorts the array.
* @param compareFn Function used to determine the order of the elements. It is expected to return
* a negative value if the first argument is less than the second argument, zero if they're equal, and a positive
* value otherwise. If omitted, the elements are sorted in ascending order.
* ```ts
* const myNums = Float16Array.from([11.25, 2, -22.5, 1]);
* myNums.toSorted((a, b) => a - b) // Float16Array(4) [-22.5, 1, 2, 11.5]
* ```
*/
toSorted(compareFn?: (a: number, b: number) => number): Float16Array;
/**
* Copies the array and inserts the given number at the provided index.
* @param index The index of the value to overwrite. If the index is
* negative, then it replaces from the end of the array.
* @param value The value to insert into the copied array.
* @returns A copy of the original array with the inserted value.
*/
with(index: number, value: number): Float16Array;
}
interface DataView {
/**
* Gets the Float16 value at the specified byte offset from the start of the view. There is
* no alignment constraint; multi-byte values may be fetched from any offset.
* @param byteOffset The place in the buffer at which the value should be retrieved.
* @param littleEndian If false or undefined, a big-endian value should be read.
*/
getFloat16(byteOffset: number, littleEndian?: boolean): number;
/**
* Stores an Float16 value at the specified byte offset from the start of the view.
* @param byteOffset The place in the buffer at which the value should be set.
* @param value The value to set.
* @param littleEndian If false or undefined, a big-endian value should be written.
*/
setFloat16(byteOffset: number, value: number, littleEndian?: boolean): void;
}

4
ext/web/02_structured_clone.js
View file

@ -36,6 +36,7 @@ const {
Uint16Array,
Uint32Array,
BigUint64Array,
Float16Array,
Float32Array,
Float64Array,
} = primordials;
@ -115,6 +116,9 @@ function structuredClone(value) {
case "BigUint64Array":
Constructor = BigUint64Array;
break;
case "Float16Array":
Constructor = Float16Array;
break;
case "Float32Array":
Constructor = Float32Array;
break;

4
tests/integration/lsp_tests.rs
View file

@ -5144,7 +5144,7 @@ fn lsp_jsr_auto_import_completion() {
json!({ "triggerKind": 1 }),
);
assert!(!list.is_incomplete);
assert_eq!(list.items.len(), 263);
assert_eq!(list.items.len(), 264);
let item = list.items.iter().find(|i| i.label == "add").unwrap();
assert_eq!(&item.label, "add");
assert_eq!(
@ -5224,7 +5224,7 @@ fn lsp_jsr_auto_import_completion_import_map() {
json!({ "triggerKind": 1 }),
);
assert!(!list.is_incomplete);
assert_eq!(list.items.len(), 263);
assert_eq!(list.items.len(), 264);
let item = list.items.iter().find(|i| i.label == "add").unwrap();
assert_eq!(&item.label, "add");
assert_eq!(json!(&item.label_details), json!({ "description": "add" }));

9
tests/unit/esnext_test.ts
View file

@ -48,3 +48,12 @@ Deno.test(function setUnion() {
const union = a.union(b);
assertEquals(union, new Set([1, 2, 3, 4, 5]));
});
Deno.test(function float16Array() {
const myNums = Float16Array.from([11.25, 2, -22.5, 1]);
const sorted = myNums.toSorted((a, b) => a - b);
assertEquals(sorted[0], -22.5);
assertEquals(sorted[1], 1);
assertEquals(sorted[2], 2);
assertEquals(sorted[3], 11.25);
});

83
tests/wpt/runner/expectation.json
View file

@ -1,11 +1,7 @@
{
"WebCryptoAPI": {
"getRandomValues.any.html": [
"Float arrays"
],
"getRandomValues.any.worker.html": [
"Float arrays"
],
"getRandomValues.any.html": true,
"getRandomValues.any.worker.html": true,
"derive_bits_keys": {
"ecdh_bits.https.any.html": [
"P-521 good parameters",
@ -2891,14 +2887,8 @@
"api-replacement-encodings.any.worker.html": true,
"api-surrogates-utf8.any.html": true,
"api-surrogates-utf8.any.worker.html": true,
"encodeInto.any.html": [
"Invalid encodeInto() destination: Float16Array, backed by: ArrayBuffer",
"Invalid encodeInto() destination: Float16Array, backed by: SharedArrayBuffer"
],
"encodeInto.any.worker.html": [
"Invalid encodeInto() destination: Float16Array, backed by: ArrayBuffer",
"Invalid encodeInto() destination: Float16Array, backed by: SharedArrayBuffer"
],
"encodeInto.any.html": true,
"encodeInto.any.worker.html": true,
"idlharness.any.html": true,
"idlharness.any.worker.html": true,
"iso-2022-jp-decoder.any.html": true,
@ -6852,8 +6842,54 @@
"request-headers-case.any.worker.html": false,
"request-headers-nonascii.any.html": true,
"request-headers-nonascii.any.worker.html": true,
"request-headers.any.html": false,
"request-headers.any.worker.html": false,
"request-headers.any.html": [
"Fetch with PUT without body",
"Fetch with PUT with body",
"Fetch with POST without body",
"Fetch with POST with text body",
"Fetch with POST with FormData body",
"Fetch with POST with URLSearchParams body",
"Fetch with POST with Blob body",
"Fetch with POST with ArrayBuffer body",
"Fetch with POST with Uint8Array body",
"Fetch with POST with Int8Array body",
"Fetch with POST with Float16Array body",
"Fetch with POST with Float32Array body",
"Fetch with POST with Float64Array body",
"Fetch with POST with DataView body",
"Fetch with POST with Blob body with mime type",
"Fetch with Chicken",
"Fetch with Chicken with body",
"Fetch with POST and mode \"same-origin\" needs an Origin header",
"Fetch with POST and mode \"no-cors\" needs an Origin header",
"Fetch with PUT and mode \"same-origin\" needs an Origin header",
"Fetch with TacO and mode \"same-origin\" needs an Origin header",
"Fetch with TacO and mode \"cors\" needs an Origin header"
],
"request-headers.any.worker.html": [
"Fetch with PUT without body",
"Fetch with PUT with body",
"Fetch with POST without body",
"Fetch with POST with text body",
"Fetch with POST with FormData body",
"Fetch with POST with URLSearchParams body",
"Fetch with POST with Blob body",
"Fetch with POST with ArrayBuffer body",
"Fetch with POST with Uint8Array body",
"Fetch with POST with Int8Array body",
"Fetch with POST with Float16Array body",
"Fetch with POST with Float32Array body",
"Fetch with POST with Float64Array body",
"Fetch with POST with DataView body",
"Fetch with POST with Blob body with mime type",
"Fetch with Chicken",
"Fetch with Chicken with body",
"Fetch with POST and mode \"same-origin\" needs an Origin header",
"Fetch with POST and mode \"no-cors\" needs an Origin header",
"Fetch with PUT and mode \"same-origin\" needs an Origin header",
"Fetch with TacO and mode \"same-origin\" needs an Origin header",
"Fetch with TacO and mode \"cors\" needs an Origin header"
],
"text-utf8.any.html": true,
"text-utf8.any.worker.html": true,
"accept-header.any.html": true,
@ -8490,12 +8526,8 @@
"blob": {
"Blob-array-buffer.any.html": true,
"Blob-array-buffer.any.worker.html": true,
"Blob-constructor.any.html": [
"Passing typed arrays as elements of the blobParts array should work."
],
"Blob-constructor.any.worker.html": [
"Passing typed arrays as elements of the blobParts array should work."
],
"Blob-constructor.any.html": true,
"Blob-constructor.any.worker.html": true,
"Blob-slice-overflow.any.html": true,
"Blob-slice-overflow.any.worker.html": true,
"Blob-slice.any.html": true,
@ -10110,8 +10142,7 @@
"The IDBKeyRange interface object should be exposed.",
"The IDBCursor interface object should be exposed.",
"The IDBCursorWithValue interface object should be exposed.",
"The IDBTransaction interface object should be exposed.",
"The Float16Array interface object should be exposed."
"The IDBTransaction interface object should be exposed."
],
"002.worker.html": true
},
@ -10650,8 +10681,8 @@
"compression-with-detach.tentative.window.html": true,
"decompression-bad-chunks.tentative.any.html": true,
"decompression-bad-chunks.tentative.any.worker.html": true,
"decompression-buffersource.tentative.any.html": false,
"decompression-buffersource.tentative.any.worker.html": false,
"decompression-buffersource.tentative.any.html": true,
"decompression-buffersource.tentative.any.worker.html": true,
"decompression-constructor-error.tentative.any.html": true,
"decompression-constructor-error.tentative.any.worker.html": true,
"decompression-correct-input.tentative.any.html": true,