mframejs/src/mframejs/binding/ast/charcode.ts

simple framework

/**
 * class that holds all typoes of char types tokenizer need to know
 *
 */
export class CharCodes {
    public readonly WHITESPACE: Set<number>;
    public readonly OPERATOR: Set<number>;
    public readonly STRING_START_END: Set<number>;
    public readonly NUMBER: Set<number>;
    public readonly OPERATOR_COMBO: Set<string>;



    constructor() {
        this.WHITESPACE = new Set();
        [32, 10, 13].map(a => this.WHITESPACE.add(a));

        this.STRING_START_END = new Set();
        ["'", '"', '`'].map(a => this.STRING_START_END.add(a.charCodeAt(0)));

        this.OPERATOR = new Set();
        ['=', '!', '>', '<', '+', '-', '*', '/', '%', '@',
            '^', '(', ')', '|', '&', '?', ':', ',', '{', , '}', '[', ']', '$', '.'].map(a => this.OPERATOR.add(a.charCodeAt(0)));

        this.NUMBER = new Set();
        ['1', '2', '3', '4', '5', '6', '7', '8', '9', '0'].map(a => this.NUMBER.add(a.charCodeAt(0)));

        this.OPERATOR_COMBO = new Set();
        ['===', '==', '+=', '-=', '*=', '/=', '!=', '&&', '||', '!==', '>=', '<=', '${', '@{'].map(a => this.OPERATOR_COMBO.add(a));

    }

}