diesel
Version:
Dumb Interpretively Executed String Expression Language
75 lines (74 loc) • 2.99 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const node_process_1 = __importDefault(require("node:process"));
const node_util_1 = require("node:util");
const index_1 = require("./index");
const args = (0, node_util_1.parseArgs)({
allowPositionals: true,
options: {
help: {
type: "boolean",
short: "h",
},
},
});
(function () {
return __awaiter(this, void 0, void 0, function* () {
if (node_process_1.default.stdin.isTTY) {
if (args.positionals.length > 0) {
try {
const evaluated = yield (0, index_1.evaluate)(args.positionals[0]);
console.log(evaluated);
node_process_1.default.exit(0);
}
catch (err) {
if (err instanceof index_1.DieselError) {
console.error(err.message);
}
else {
console.error(err);
}
node_process_1.default.exit(1);
}
}
if (args.values.help
|| Object.keys(args.values).length === 0) {
console.log([
"NAME",
" diesel - Dumb Interpretively Executed String Expression Language",
"",
"SYNOPSIS",
" diesel [EXPRESSION]",
"",
"DESCRIPTION",
" diesel is the kernel of a macro language you can customise",
" by adding C code and embedding it into your program.",
"",
"OPTIONS",
" -h, --help",
" Display the help message and exit.",
"",
"USAGE",
" Evaluate an expression",
"",
" diesel '$(+,1,2,3,4,5)'",
" output: 15",
"",
].join("\n"));
}
}
});
})();