func parseAnalyzerCommand() (string, []string, []string) {
if *analyzerPort == 0 {
port, err := netutil.PickUnusedPort()
if err != nil {
log.Fatalf("Failed to pick analyzer port: %v", err)
}
*analyzerPort = port
}
var i int
for ; i < flag.NArg() && flag.Arg(i) != "--"; i++ {
}
args := constructArgs(flag.Args()[1:i], *analyzerPort)
var compilations []string
if i < flag.NArg() {
compilations = flag.Args()[i+1:]
}
return flag.Arg(0), args, compilations
}
// parseAnalyzerCommand extracts the analyzer subcommand line from the current
// process's argument list, and replaces any occurrences of "@port@" in its
// command-line with the designated analyzer port. If no port is given, one is
// chosen and stored into *analyzerPort.
//
// The command and its arguments are returned, along with any trailing
// unclaimed arguments to use as compilation unit sources.
func parseAnalyzerCommand() (command string, args, compilations []string) {
if *analyzerPort <= 0 {
picked, err := netutil.PickUnusedPort()
if err != nil {
log.Fatalf("Failed to pick analyzer port: %v", err)
}
*analyzerPort = picked
}
// Find the breakpoint between the subcommand arguments and the trailing
// arguments, if any.
port := strings.NewReplacer("@port@", strconv.Itoa(*analyzerPort))
for i, arg := range flag.Args() {
if i == 0 {
command = arg
} else if arg == "--" {
compilations = flag.Args()[i+1:]
break
} else {
args = append(args, port.Replace(arg))
}
}
return
}