Brunobkr/llama.cpp_AlgMor24_github

1'use strict';2 3var $TypeError = require('es-errors/type');4 5var GetPrototypeFromConstructor = require('./GetPrototypeFromConstructor');6var IsConstructor = require('./IsConstructor');7var IsDetachedBuffer = require('./IsDetachedBuffer');8var OrdinarySetPrototypeOf = require('./OrdinarySetPrototypeOf');9 10var isInteger = require('math-intrinsics/isInteger');11var isArrayBuffer = require('is-array-buffer');12var arrayBufferSlice = require('arraybuffer.prototype.slice');13 14// https://262.ecma-international.org/12.0/#sec-clonearraybuffer15 16module.exports = function CloneArrayBuffer(srcBuffer, srcByteOffset, srcLength, cloneConstructor) {17	if (!isArrayBuffer(srcBuffer)) {18		throw new $TypeError('Assertion failed: `srcBuffer` must be an ArrayBuffer instance');19	}20	if (!isInteger(srcByteOffset) || srcByteOffset < 0) {21		throw new $TypeError('Assertion failed: `srcByteOffset` must be a non-negative integer');22	}23	if (!isInteger(srcLength) || srcLength < 0) {24		throw new $TypeError('Assertion failed: `srcLength` must be a non-negative integer');25	}26	if (!IsConstructor(cloneConstructor)) {27		throw new $TypeError('Assertion failed: `cloneConstructor` must be a constructor');28	}29 30	// 3. Let targetBuffer be ? AllocateArrayBuffer(cloneConstructor, srcLength).31	var proto = GetPrototypeFromConstructor(cloneConstructor, '%ArrayBufferPrototype%'); // step 3, kinda32 33	if (IsDetachedBuffer(srcBuffer)) {34		throw new $TypeError('`srcBuffer` must not be a detached ArrayBuffer'); // step 435	}36 37	/*38    5. Let srcBlock be srcBuffer.[[ArrayBufferData]].39    6. Let targetBlock be targetBuffer.[[ArrayBufferData]].40    7. Perform CopyDataBlockBytes(targetBlock, 0, srcBlock, srcByteOffset, srcLength).41    */42	var targetBuffer = arrayBufferSlice(srcBuffer, srcByteOffset, srcByteOffset + srcLength); // steps 5-743	OrdinarySetPrototypeOf(targetBuffer, proto); // step 344 45	return targetBuffer; // step 846};47