8bitworkshop/src/common/basic/run.ts

59 lines
1.5 KiB
TypeScript

import { BASICParser, ECMA55_MINIMAL } from "./compiler";
import { BASICRuntime } from "./runtime";
var readline = require('readline');
var rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
//terminal: false
});
var parser = new BASICParser();
parser.opts = ECMA55_MINIMAL;
var fs = require('fs');
var filename = process.argv[2];
var data = fs.readFileSync(filename, 'utf-8');
try {
var pgm = parser.parseFile(data, filename);
} catch (e) {
if (parser.errors.length == 0)
console.log("@@@ " + e.msg);
else
console.log(e);
}
parser.errors.forEach((err) => console.log("@@@ " + err.msg));
if (parser.errors.length) process.exit(2);
var runtime = new BASICRuntime();
runtime.trace = process.argv[3] == '-v';
runtime.load(pgm);
runtime.reset();
runtime.print = (s:string) => {
fs.writeSync(1, s+"");
}
runtime.input = async (prompt:string) => {
return new Promise( (resolve, reject) => {
fs.writeSync(1, "\n");
rl.question(prompt, (answer) => {
var vals = answer.toUpperCase().split(',');
resolve(vals);
});
});
}
runtime.resume = function() {
process.nextTick(() => {
try {
if (runtime.step()) {
if (runtime.running) runtime.resume();
} else if (runtime.exited) {
rl.close();
}
} catch (e) {
console.log("### " + e.message);
process.exit(1);
}
});
}
runtime.resume();