JezK
Edit File: spidermonkey_runner.js
(function(program, execJS) { execJS(program) })(function() { #{source} }, function(program) { var output; try { result = program(); if (typeof result == 'undefined' && result !== null) { print('["ok"]'); } else { try { print(JSON.stringify(['ok', result])); } catch (err) { print(JSON.stringify(['err', '' + err, err.stack])); } } } catch (err) { print(JSON.stringify(['err', '' + err, err.stack])); } });