Brunobkr/llama.cpp_AlgMor24_github

1'use strict';2 3var $TypeError = require('es-errors/type');4var isObject = require('es-object-atoms/isObject');5 6var DefineOwnProperty = require('../helpers/DefineOwnProperty');7var isPropertyDescriptor = require('../helpers/records/property-descriptor');8var isSamePropertyDescriptor = require('../helpers/isSamePropertyDescriptor');9 10var FromPropertyDescriptor = require('./FromPropertyDescriptor');11var IsAccessorDescriptor = require('./IsAccessorDescriptor');12var IsDataDescriptor = require('./IsDataDescriptor');13var IsGenericDescriptor = require('./IsGenericDescriptor');14var isPropertyKey = require('../helpers/isPropertyKey');15var SameValue = require('./SameValue');16 17// https://262.ecma-international.org/6.0/#sec-validateandapplypropertydescriptor18// https://262.ecma-international.org/8.0/#sec-validateandapplypropertydescriptor19 20// eslint-disable-next-line max-lines-per-function, max-statements21module.exports = function ValidateAndApplyPropertyDescriptor(O, P, extensible, Desc, current) {22	// this uses the ES2017+ logic, since it fixes a number of bugs in the ES2015 logic.23	if (typeof O !== 'undefined' && !isObject(O)) {24		throw new $TypeError('Assertion failed: O must be undefined or an Object');25	}26	if (typeof extensible !== 'boolean') {27		throw new $TypeError('Assertion failed: extensible must be a Boolean');28	}29	if (!isPropertyDescriptor(Desc)) {30		throw new $TypeError('Assertion failed: Desc must be a Property Descriptor');31	}32	if (typeof current !== 'undefined' && !isPropertyDescriptor(current)) {33		throw new $TypeError('Assertion failed: current must be a Property Descriptor, or undefined');34	}35	if (typeof O !== 'undefined' && !isPropertyKey(P)) {36		throw new $TypeError('Assertion failed: if O is not undefined, P must be a Property Key');37	}38	if (typeof current === 'undefined') {39		if (!extensible) {40			return false;41		}42		if (IsGenericDescriptor(Desc) || IsDataDescriptor(Desc)) {43			if (typeof O !== 'undefined') {44				DefineOwnProperty(45					IsDataDescriptor,46					SameValue,47					FromPropertyDescriptor,48					O,49					P,50					{51						'[[Configurable]]': Desc['[[Configurable]]'],52						'[[Enumerable]]': Desc['[[Enumerable]]'],53						'[[Value]]': Desc['[[Value]]'],54						'[[Writable]]': Desc['[[Writable]]']55					}56				);57			}58		} else {59			if (!IsAccessorDescriptor(Desc)) {60				throw new $TypeError('Assertion failed: Desc is not an accessor descriptor');61			}62			if (typeof O !== 'undefined') {63				return DefineOwnProperty(64					IsDataDescriptor,65					SameValue,66					FromPropertyDescriptor,67					O,68					P,69					Desc70				);71			}72		}73		return true;74	}75	if (IsGenericDescriptor(Desc) && !('[[Configurable]]' in Desc) && !('[[Enumerable]]' in Desc)) {76		return true;77	}78	if (isSamePropertyDescriptor({ SameValue: SameValue }, Desc, current)) {79		return true; // removed by ES2017, but should still be correct80	}81	// "if every field in Desc is absent, return true" can't really match the assertion that it's a Property Descriptor82	if (!current['[[Configurable]]']) {83		if (Desc['[[Configurable]]']) {84			return false;85		}86		if ('[[Enumerable]]' in Desc && !Desc['[[Enumerable]]'] === !!current['[[Enumerable]]']) {87			return false;88		}89	}90	if (IsGenericDescriptor(Desc)) {91		// no further validation is required.92	} else if (IsDataDescriptor(current) !== IsDataDescriptor(Desc)) {93		if (!current['[[Configurable]]']) {94			return false;95		}96		if (IsDataDescriptor(current)) {97			if (typeof O !== 'undefined') {98				DefineOwnProperty(99					IsDataDescriptor,100					SameValue,101					FromPropertyDescriptor,102					O,103					P,104					{105						'[[Configurable]]': current['[[Configurable]]'],106						'[[Enumerable]]': current['[[Enumerable]]'],107						'[[Get]]': void undefined108					}109				);110			}111		} else if (typeof O !== 'undefined') {112			DefineOwnProperty(113				IsDataDescriptor,114				SameValue,115				FromPropertyDescriptor,116				O,117				P,118				{119					'[[Configurable]]': current['[[Configurable]]'],120					'[[Enumerable]]': current['[[Enumerable]]'],121					'[[Value]]': void undefined122				}123			);124		}125	} else if (IsDataDescriptor(current) && IsDataDescriptor(Desc)) {126		if (!current['[[Configurable]]'] && !current['[[Writable]]']) {127			if ('[[Writable]]' in Desc && Desc['[[Writable]]']) {128				return false;129			}130			if ('[[Value]]' in Desc && !SameValue(Desc['[[Value]]'], current['[[Value]]'])) {131				return false;132			}133			return true;134		}135	} else if (IsAccessorDescriptor(current) && IsAccessorDescriptor(Desc)) {136		if (!current['[[Configurable]]']) {137			if ('[[Set]]' in Desc && !SameValue(Desc['[[Set]]'], current['[[Set]]'])) {138				return false;139			}140			if ('[[Get]]' in Desc && !SameValue(Desc['[[Get]]'], current['[[Get]]'])) {141				return false;142			}143			return true;144		}145	} else {146		throw new $TypeError('Assertion failed: current and Desc are not both data, both accessors, or one accessor and one data.');147	}148	if (typeof O !== 'undefined') {149		return DefineOwnProperty(150			IsDataDescriptor,151			SameValue,152			FromPropertyDescriptor,153			O,154			P,155			Desc156		);157	}158	return true;159};160