101 lines
2.1 KiB
JavaScript
101 lines
2.1 KiB
JavaScript
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import objs from './objs.mjs';
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let openers = {
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'{': '}',
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'[': ']',
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'(': ')',
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';': ';'
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};
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let specialOpeners = {
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//':': 'wildcard'
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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 ]/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 special = specialOpeners[context] || '';
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let sp = (special == 'wildcard');
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if (nextChar == openers[context] || !(openers[context] || sp)) {
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return { context, str: str.slice(0, nextI), next: str.slice(nextI + 1), end: nextChar == openers[context] };
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} else {
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let args = [];
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let nextStr = str.slice(nextI + 1);
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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: str.slice(0, nextI), args, next: nextStr, op: context };
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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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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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return await runner(script.args[0], objects);
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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 (script.str) {
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h = script.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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let data = parser(`
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on(
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[start]
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{
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(echo(add([2][3])))
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(echo([Hello World!]))
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}
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)
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`);
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console.log(data);
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(async function () {
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await runner(data, objs);
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let ev = new Event('start');
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objs.events.dispatchEvent(ev);
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})()
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