我知道某个声明超出了内存限制，但我不明白它是什么
对于上下文，该程序接受lisp代码作为输入并将其转换为标记

// regex tests
const LETTERS = /[-_a-zA-Z0-9]/;
const WHITESPACE = /\s/;
const NUMBERS = /\d/;
const RESERVEDWORDS = ['write-line', ';','write',....]; // ... is other reserved words that i did not list out

// lexing
module.exports = function tokenizer(input) {
    const tokenList = [];
    let i = 0;
    while (i < input.length) {
        console.log(tokenList[i]);
        let char = input[i];
        if (char === '(' || char === ')') {
            tokenList.push(
                {
                    type: 'paren',
                    value: char 
                }
            );
            i++;
            continue;
        }
        
        if (LETTERS.test(char)) {
            let value = '';
            while (LETTERS.test(char)) {
                value += char;
                char = input[++i];
            }
            console.log(value);
            if (RESERVEDWORDS.includes(value)) {
                tokenList.push(
                    {
                        type: 'keyword',
                        value 
                    }
                )
            }
            else {
                tokenList.push(
                    {
                        type: 'identifier',
                        value
                    }
                );
            }
            continue;
        }

        if (WHITESPACE.test(char)) {
            i++;
            continue;
        }

        if (NUMBERS.test(char)) {
            let value = '';
            while (NUMBERS.test(char)) {
                value += char;
                char = input[++i];
            }

            tokenList.push(
                {
                    type: 'number',
                    value
                }
            );
            continue;
        }
        /*
            .
            .
            .
             more token conversion condition checks
            .
            .
            .
        */

        throw new TypeError(`NameError: ${char}`);
    }
    return tokenList;
}

我试过弄清楚这是正则表达式的问题还是代码的其他部分的问题，但都无济于事。令牌转换成功，但我得到了一个Fatal error in , line 0 Fatal JavaScript invalid size error 169220804，我不知道为什么。