node_modules/xcode/lib/parseJob.js

// parsing is slow and blocking right now
// so we do it in a separate process
var fs = require('fs'),
    parser = require('./parser/pbxproj'),
    path = process.argv[2],
    fileContents, obj;

try {
    fileContents = fs.readFileSync(path, 'utf-8');
    obj = parser.parse(fileContents);
    process.send(obj);
} catch (e) {
    process.send(e);
    process.exitCode = 1;
}