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import { Tokens } from "./Tokens.ts";
export function tokenize(s: string): Tokens {    const tokens: Tokens = [];    const stack: Tokens[] = [tokens];    for (let i = 0; i < s.length; i++) {        const value = s[i];        if (/\d/.test(value)) {            //只处理整数            const digits: string[] = [value];
            while (/\d/.test(s[i + 1])) {                digits.push(s[i + 1]);                i++;            }
            const num = Number(digits.join(""));            stack[stack.length - 1].push(num);        }        if (["+", "-", "/", "*"].includes(value)) {            stack[stack.length - 1].push(value);        }        if (value === "(") {            stack.push([]);        }        if (value === ")") {            if (stack.length <= 0) throw Error("parentheses mismatch");            const last = stack[stack.length - 1];            stack.pop();            stack[stack.length - 1].push(last);        }    }    if (stack.length !== 1) throw Error("parentheses mismatch");    return tokens;}