0001    #if os(Linux)
0002    import Glibc
0003    #else
0004    import Darwin
0005    #endif
0006    
0007    
0008    struct InvocationError
Invoke.swift:23
    throw InvocationError(command: command, arguments: arguments, code: code)
 : ErrorType {
0009      init
Invoke.swift:23
    throw InvocationError(command: command, arguments: arguments, code: code)
(command:String, arguments:[String], code:Int32) {
0010    
0011      }
0012    }
0013    
0014    /// Invoke a subprocess
0015    func invoke
main.swift:28
  try invoke("swiftc", arguments)
main.swift:32
  try invoke(".build/debug/spectre-runner", [])
(command:String, _ arguments:[String]) throws {
0016      // TODO - Properly invoke subprocess with exec, arguments are not escaped
0017      let args = arguments.joinWithSeparator(" ")
0018    
0019      fflush(stdout)
0020      let code = system("\(command) \(args)")
0021    
0022      if code != 0 {
0023        throw InvocationError(command: command, arguments: arguments, code: code)
0024      }
0025    }
0026