Brunobkr/llama.cpp_AlgMor24_github

1/**2 * @fileoverview A collection of methods for processing Espree's options.3 * @author Kai Cataldo4 */5 6//------------------------------------------------------------------------------7// Helpers8//------------------------------------------------------------------------------9 10const SUPPORTED_VERSIONS = [11    3,12    5,13    6, // 201514    7, // 201615    8, // 201716    9, // 201817    10, // 201918    11, // 202019    12, // 202120    13, // 202221    14, // 202322    15, // 202423    16, // 202524    17 // 202625];26 27/**28 * Get the latest ECMAScript version supported by Espree.29 * @returns {number} The latest ECMAScript version.30 */31export function getLatestEcmaVersion() {32    return SUPPORTED_VERSIONS.at(-1);33}34 35/**36 * Get the list of ECMAScript versions supported by Espree.37 * @returns {number[]} An array containing the supported ECMAScript versions.38 */39export function getSupportedEcmaVersions() {40    return [...SUPPORTED_VERSIONS];41}42 43/**44 * Normalize ECMAScript version from the initial config45 * @param {(number|"latest")} ecmaVersion ECMAScript version from the initial config46 * @throws {Error} throws an error if the ecmaVersion is invalid.47 * @returns {number} normalized ECMAScript version48 */49function normalizeEcmaVersion(ecmaVersion = 5) {50 51    let version = ecmaVersion === "latest" ? getLatestEcmaVersion() : ecmaVersion;52 53    if (typeof version !== "number") {54        throw new Error(`ecmaVersion must be a number or "latest". Received value of type ${typeof ecmaVersion} instead.`);55    }56 57    // Calculate ECMAScript edition number from official year version starting with58    // ES2015, which corresponds with ES6 (or a difference of 2009).59    if (version >= 2015) {60        version -= 2009;61    }62 63    if (!SUPPORTED_VERSIONS.includes(version)) {64        throw new Error("Invalid ecmaVersion.");65    }66 67    return version;68}69 70/**71 * Normalize sourceType from the initial config72 * @param {string} sourceType to normalize73 * @throws {Error} throw an error if sourceType is invalid74 * @returns {string} normalized sourceType75 */76function normalizeSourceType(sourceType = "script") {77    if (sourceType === "script" || sourceType === "module") {78        return sourceType;79    }80 81    if (sourceType === "commonjs") {82        return "script";83    }84 85    throw new Error("Invalid sourceType.");86}87 88/**89 * Normalize parserOptions90 * @param {Object} options the parser options to normalize91 * @throws {Error} throw an error if found invalid option.92 * @returns {Object} normalized options93 */94export function normalizeOptions(options) {95    const ecmaVersion = normalizeEcmaVersion(options.ecmaVersion);96    const sourceType = normalizeSourceType(options.sourceType);97    const ranges = options.range === true;98    const locations = options.loc === true;99 100    if (ecmaVersion !== 3 && options.allowReserved) {101 102        // a value of `false` is intentionally allowed here, so a shared config can overwrite it when needed103        throw new Error("`allowReserved` is only supported when ecmaVersion is 3");104    }105    if (typeof options.allowReserved !== "undefined" && typeof options.allowReserved !== "boolean") {106        throw new Error("`allowReserved`, when present, must be `true` or `false`");107    }108    const allowReserved = ecmaVersion === 3 ? (options.allowReserved || "never") : false;109    const ecmaFeatures = options.ecmaFeatures || {};110    const allowReturnOutsideFunction = options.sourceType === "commonjs" ||111        Boolean(ecmaFeatures.globalReturn);112 113    if (sourceType === "module" && ecmaVersion < 6) {114        throw new Error("sourceType 'module' is not supported when ecmaVersion < 2015. Consider adding `{ ecmaVersion: 2015 }` to the parser options.");115    }116 117    return Object.assign({}, options, {118        ecmaVersion,119        sourceType,120        ranges,121        locations,122        allowReserved,123        allowReturnOutsideFunction124    });125}126