functionalscript/bnf/func/testlib.f.js

FunctionalScript is a purely functional subset of JavaScript

import { cp, range, remove, str } from "./module.f.js";
// https://www.json.org/json-en.html
export const classic = () => {
    // {"empty":true,"map":[[false,8],[true,10],[false,12],[true,13],[false,31],[true,32]]}
    const ws = () => [
        [],
        [cp(' '), ws], // 32
        [cp('\n'), ws], // 10
        [cp('\r'), ws], // 13
        [cp('\t'), ws], // 9
    ];
    // {"empty":true,"map":[[false,42],[true,43],[false,44],[true,45]]}
    const sign = () => [
        [],
        str('+'), // 43
        str('-'), // 45
    ];
    // {"empty":false,"map":[[false,48],[true,57]]}
    const onenine = () => [[[0x31, 0x39]]];
    // {"empty":false,"map":[[false,47],[true,57]]}
    const digit = () => [
        str('0'),
        [onenine],
    ];
    // {"empty":false,"map":[[false,47],[true,57]]}
    const digits = () => [
        [digit],
        [digit, digits]
    ];
    // {"empty":true,"map":[[false,68],[true,69],[false,100],[true,101]]}
    const exponent = () => [
        [],
        [cp('E'), sign, digits], // 69
        [cp('e'), sign, digits], // 101
    ];
    // {"empty":true,"map":[[false,45],[true,46]]}
    const fraction = () => [
        [],
        [cp('.'), digits] // 46
    ];
    // {"empty":false,"map":[[false,44],[true,45],[false,47],[true,57]]}
    const integer = () => [
        [digit], // 48-57
        [onenine, digits],
        [cp('-'), digit], // 45
        [cp('-'), onenine, digits],
    ];
    // {"empty":false,"map":[[false,44],[true,45],[false,47],[true,57]]}
    const number = () => [
        [integer, fraction, exponent]
    ];
    // {"empty":false,"map":[[false,47],[true,57],[false,64],[true,70],[false,96],[true,102]]}
    const hex = () => [
        [digit], // 48-57
        [range('AF')], // A..F
        [range('af')], // a..f
    ];
    // {"empty":false,"map":[[false,33],[true,34],[false,46],[true,47],[false,91],[true,92],[false,97],[true,98],[false,101],[true,102],[false,109],[true,110],[false,113],[true,114],[false,115],[true,117]]}
    const escape = () => [
        str('"'), //  34
        str('\\'), //  92
        str('/'), //  47
        str('b'), //  98
        str('f'), // 102
        str('n'), // 110
        str('r'), // 114
        str('t'), // 116
        [cp('u'), hex, hex, hex, hex] // 117
    ];
    // {"empty":false,"map":[[false,31],[true,33],[false,34],[true,1114111]]}
    const character = () => [
        ...remove([0x20, 0x10FFFF], [cp('"'), cp('\\')]),
        [cp('\\'), escape],
    ];
    // {"empty":true,"map":[[false,31],[true,33],[false,34],[true,1114111]]}
    const characters = () => [
        [],
        [character, characters]
    ];
    // {"empty":false,"map":[[false,33],[true,34]]}
    const string = () => [
        [cp('"'), characters, cp('"')]
    ];
    // {"empty":false,"map":[[false,8],[true,10],[false,12],[true,13],[false,31],[true,32],[false,33],[true,34],[false,44],[true,45],[false,47],[true,57],[false,90],[true,91],[false,101],[true,102],[false,109],[true,110],[false,115],[true,116],[false,122],[true,123]]}
    const element = () => [
        [ws, value, ws]
    ];
    // {"empty":false,"map":[[false,8],[true,10],[false,12],[true,13],[false,31],[true,32],[false,33],[true,34],[false,44],[true,45],[false,47],[true,57],[false,90],[true,91],[false,101],[true,102],[false,109],[true,110],[false,115],[true,116],[false,122],[true,123]]}
    const elements = () => [
        [element],
        [element, cp(','), elements]
    ];
    // {"empty":false,"map":[[false,90],[true,91]]}
    const array = () => [
        [cp('['), ws, cp(']')], // 91
        [cp('['), elements, cp(']')],
    ];
    // {"empty":false,"map":[[false,8],[true,10],[false,12],[true,13],[false,31],[true,32],[false,33],[true,34]]}
    const member = () => [
        [ws, string, ws, cp(':'), element]
    ];
    // {"empty":false,"map":[[false,8],[true,10],[false,12],[true,13],[false,31],[true,32],[false,33],[true,34]]}
    const members = () => [
        [member],
        [member, cp(','), members],
    ];
    // {"empty":false,"map":[[false,122],[true,123]]}
    const object = () => [
        [cp('{'), ws, cp('}')], // 123
        [cp('{'), members, cp('}')],
    ];
    // {"empty":false,"map":[[false,33],[true,34],[false,44],[true,45],[false,47],[true,57],[false,90],[true,91],[false,101],[true,102],[false,109],[true,110],[false,115],[true,116],[false,122],[true,123]]}
    const value = () => [
        [object], // 123
        [array], // 91
        [string], // 34
        [number], // 45, 48-57
        str('true'), // 116
        str('false'), // 102
        str('null'), // 110
    ];
    // {"empty":false,"map":[[false,8],[true,10],[false,12],[true,13],[false,31],[true,32],[false,33],[true,34],[false,44],[true,45],[false,47],[true,57],[false,90],[true,91],[false,101],[true,102],[false,109],[true,110],[false,115],[true,116],[false,122],[true,123]]}
    const json = () => [
        [element]
    ];
    return {
        ws,
        sign,
        digits,
        exponent,
        fraction,
        onenine,
        digit,
        string,
        member,
        members,
        object,
        array,
        integer,
        number,
        value,
        element,
        elements,
        json,
        hex,
        escape,
        character,
        characters,
    };
};