90 lines
2 KiB
JavaScript
90 lines
2 KiB
JavaScript
//import objs from './objs.mjs';
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let openers = {
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'{': '}', // function
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'[': ']', // string
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'(': ')', // group
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// TODO: dropdowns, custom blocks
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};
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function parser(str, context = '(') {
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str = str.replaceAll(/^\s+([^\s]+)/gms, '$1')
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str = str.replaceAll(/([^\s]+)\s+$/gms, '$1')
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let nextI = str.search(/[^A-Za-z0-9;\s]/gms);
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if (context == '[') {
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nextI = str.search(/[\]]/);
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}
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if (nextI == -1) nextI = 0;
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let nextChar = str[nextI];
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let sliced = str.slice(0, nextI);
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let rest = str.slice(nextI + 1);
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if (nextChar == openers[context] || !(openers[context])) {
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return { context, str: sliced, next: rest, end: nextChar == openers[context] || sliced.indexOf(';') != -1};
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} else {
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let args = [];
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let nextStr = rest;
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while (nextStr && nextStr.length > 0) {
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args.push(parser(nextStr, nextChar));
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let a = args[args.length - 1];
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nextStr = a.next;
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if (a.str == '') {
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args.pop();
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}
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if (a.end) break;
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}
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let o = { context: sliced, args, next: nextStr, op: nextChar };
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return o;
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}
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}
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async function runner(script, objects) {
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if (script.canDelete) return;
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let { op, context } = script;
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let obj = objects[context.trim()];
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let h = false;
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if (op == '{') {
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h = (async function () {
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let output = false;
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for (let a of script.args) {
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output = await runner(a, objects);
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}
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return output;
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})
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} else if (op == '(') {
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let arger = [];
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for (let arg of script.args) {
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arger.push(await runner(arg, objects));
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}
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if (arger.length == 1) arger = arger[0];
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h = arger;
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} else if (op == '[') {
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h = script.args[0].str;
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}
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if (typeof obj != 'function') {
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return h;
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}
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return await obj(h, objects);
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}
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export {
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parser,
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runner,
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openers
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};
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